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Virial theorem

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3467: 2959: 2356: 4224: 3462:{\displaystyle {\begin{aligned}\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}&=\sum _{k=1}^{N}\sum _{j=1}^{N}\mathbf {F} _{jk}\cdot \mathbf {r} _{k}=\sum _{k=2}^{N}\sum _{j=1}^{k-1}\left(\mathbf {F} _{jk}\cdot \mathbf {r} _{k}+\mathbf {F} _{kj}\cdot \mathbf {r} _{j}\right)\\&=\sum _{k=2}^{N}\sum _{j=1}^{k-1}\left(\mathbf {F} _{jk}\cdot \mathbf {r} _{k}-\mathbf {F} _{jk}\cdot \mathbf {r} _{j}\right)=\sum _{k=2}^{N}\sum _{j=1}^{k-1}\mathbf {F} _{jk}\cdot \left(\mathbf {r} _{k}-\mathbf {r} _{j}\right)\end{aligned}}} 4919: 1956: 3765: 1947: 4530: 8539: 997: 7750: 7114: 8148: 435: bodies and to the present form of Laplace's identity closely resembles the classical virial theorem. However, the interpretations leading to the development of the equations were very different, since at the time of development, statistical dynamics had not yet unified the separate studies of thermodynamics and classical dynamics. The theorem was later utilized, popularized, generalized and further developed by 2351:{\displaystyle {\begin{aligned}{\frac {dG}{dt}}&=\sum _{k=1}^{N}\mathbf {p} _{k}\cdot {\frac {d\mathbf {r} _{k}}{dt}}+\sum _{k=1}^{N}{\frac {d\mathbf {p} _{k}}{dt}}\cdot \mathbf {r} _{k}\\&=\sum _{k=1}^{N}m_{k}{\frac {d\mathbf {r} _{k}}{dt}}\cdot {\frac {d\mathbf {r} _{k}}{dt}}+\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}\\&=2T+\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}\end{aligned}}} 14684: 4219:{\displaystyle {\begin{aligned}\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}&=\sum _{k=2}^{N}\sum _{j=1}^{k-1}\mathbf {F} _{jk}\cdot \left(\mathbf {r} _{k}-\mathbf {r} _{j}\right)\\&=-\sum _{k=2}^{N}\sum _{j=1}^{k-1}{\frac {dV_{jk}}{dr_{jk}}}{\frac {|\mathbf {r} _{k}-\mathbf {r} _{j}|^{2}}{r_{jk}}}\\&=-\sum _{k=2}^{N}\sum _{j=1}^{k-1}{\frac {dV_{jk}}{dr_{jk}}}r_{jk}.\end{aligned}}} 1653: 6055: 8285: 623: 4914:{\displaystyle {\begin{aligned}-{\frac {1}{2}}\,\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}&={\frac {1}{2}}\,\sum _{k=1}^{N}\sum _{j<k}{\frac {dV_{jk}}{dr_{jk}}}r_{jk}\\&={\frac {1}{2}}\,\sum _{k=1}^{N}\sum _{j<k}n\alpha r_{jk}^{n-1}r_{jk}\\&={\frac {1}{2}}\,\sum _{k=1}^{N}\sum _{j<k}nV_{jk}={\frac {n}{2}}\,V_{\text{TOT}}\end{aligned}}} 9099: 7953: 9825: 11408: 5843: 5477: 1311: 5624: 11666: 6219: 10049: 7503: 12076: 9568: 2929: 1942:{\displaystyle {\begin{aligned}{\frac {1}{2}}{\frac {dI}{dt}}&={\frac {1}{2}}{\frac {d}{dt}}\sum _{k=1}^{N}m_{k}\mathbf {r} _{k}\cdot \mathbf {r} _{k}\\&=\sum _{k=1}^{N}m_{k}\,{\frac {d\mathbf {r} _{k}}{dt}}\cdot \mathbf {r} _{k}\\&=\sum _{k=1}^{N}\mathbf {p} _{k}\cdot \mathbf {r} _{k}=G\,.\end{aligned}}} 12560: 8928: 2644: 3699: 8534:{\displaystyle {\frac {n}{2}}\left\langle V_{\mathrm {TOT} }\right\rangle _{\tau }=\left\langle \sum _{k=1}^{N}\left({\frac {1+{\sqrt {1-\beta _{k}^{2}}}}{2}}\right)T_{k}\right\rangle _{\tau }=\left\langle \sum _{k=1}^{N}\left({\frac {\gamma _{k}+1}{2\gamma _{k}}}\right)T_{k}\right\rangle _{\tau }\,.} 4439: 992:{\displaystyle \langle T\rangle ={\frac {1}{t_{2}-t_{1}}}\int _{t_{1}}^{t_{2}}\sum _{k=1}^{N}{\frac {1}{2}}m_{k}\left|\mathbf {v} _{k}(t)\right|^{2}dt={\frac {1}{t_{2}-t_{1}}}\int _{t_{1}}^{t_{2}}\left({\frac {1}{2}}m|\mathbf {v} _{1}(t)|^{2}+{\frac {1}{2}}m|\mathbf {v} _{2}(t)|^{2}\right)dt=mv^{2}.} 13760:
convert hydrogen into helium in their cores, the mean molecular weight of the core increases and it must contract to maintain enough pressure to support its own weight. This contraction decreases its potential energy and, the virial theorem states, increases its thermal energy. The core temperature
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is a finite configuration of magnetic fields and plasma. With the virial theorem it is easy to see that any such configuration will expand if not contained by external forces. In a finite configuration without pressure-bearing walls or magnetic coils, the surface integral will vanish. Since all the
11257: 152: 5774: 5280: 9322: 9626: 1113: 8143:{\displaystyle {\begin{aligned}{\frac {1}{2}}\mathbf {p} \cdot \mathbf {v} &={\frac {1}{2}}{\boldsymbol {\beta }}\gamma mc\cdot {\boldsymbol {\beta }}c\\&={\frac {1}{2}}\gamma \beta ^{2}mc^{2}\\&=\left({\frac {\gamma \beta ^{2}}{2(\gamma -1)}}\right)T\,.\end{aligned}}} 5482: 8252: 11427: 6075: 12316: 9919: 11857: 7735: 7329: 13127: 11879: 12996: 2762: 6050:{\displaystyle \lim _{\tau \to \infty }\left|\left\langle {\frac {dG^{\mathrm {bound} }}{dt}}\right\rangle _{\tau }\right|=\lim _{\tau \to \infty }\left|{\frac {G(\tau )-G(0)}{\tau }}\right|\leq \lim _{\tau \to \infty }{\frac {G_{\max }-G_{\min }}{\tau }}=0.} 12393: 5140: 8644: 9453: 2462: 5810:. One often-cited reason applies to stably-bound systems, that is to say systems that hang together forever and whose parameters are finite. In that case, velocities and coordinates of the particles of the system have upper and lower limits so that 13747: 3531: 10146: 4231: 1498: 12214:
In case when in the physical system the pressure field, the electromagnetic and gravitational fields are taken into account, as well as the field of particles’ acceleration, the virial theorem is written in the relativistic form as follows:
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proved and applied a form of the virial theorem in 1911 to the problem of formation of the Solar System from a proto-stellar cloud (then known as cosmogony). A variational form of the virial theorem was developed in 1945 by Ledoux. A
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As numerous approximations have been made, in addition to the approximate nature of these definitions, order-unity proportionality constants are often omitted (as in the above equations). These relations are thus only accurate in an
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An analysis of the integral theorem of generalized virial makes it possible to find, on the basis of field theory, a formula for the root-mean-square speed of typical particles of a system without using the notion of temperature:
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showed the charge distribution of a total system can be partitioned into its kinetic and potential energies that obey the virial theorem. As another example of its many applications, the virial theorem has been used to derive the
13481: 10831: 12833: 12376:, but rather by the coefficient close to 0.6. The difference from the classical case arises due to considering the pressure field and the field of particles’ acceleration inside the system, while the derivative of the scalar 9094:{\displaystyle m\underbrace {\frac {d^{2}x}{dt^{2}}} _{\text{acceleration}}=\underbrace {-kx} _{\text{spring}}\underbrace {-\gamma {\frac {dx}{dt}}} _{\text{friction}}\underbrace {+F\cos(\omega t)} _{\text{external driving}}} 10560: 10650: 6454: 8153: 13501:, within which virial equilibrium holds. Since this radius is difficult to determine observationally, it is often approximated as the radius within which the average density is greater, by a specified factor, than the 402:
delivered the lecture "On a Mechanical Theorem Applicable to Heat" to the Association for Natural and Medical Sciences of the Lower Rhine, following a 20-year study of thermodynamics. The lecture stated that the mean
12220: 6886: 11724: 7583: 1622: 10753: 9820:{\displaystyle {\begin{cases}X&={\sqrt {\frac {F^{2}}{\gamma ^{2}\omega ^{2}+m^{2}(\omega _{0}^{2}-\omega ^{2})^{2}}}}\\\tan \varphi &=-{\frac {\gamma \omega }{m(\omega _{0}^{2}-\omega ^{2})}}\end{cases}}} 7922: 5012: 13021: 10388: 9199: 320: 11253:
form of the virial theorem was developed by Parker, Chandrasekhar and Fermi. The following generalization of the virial theorem has been established by Pollard in 1964 for the case of the inverse square law:
8795: 11033: 8740: 7958: 2738: 14121: 11097: 12865: 9400: 11403:{\displaystyle 2\lim _{\tau \to +\infty }\langle T\rangle _{\tau }=\lim _{\tau \to +\infty }\langle U\rangle _{\tau }\qquad {\text{if and only if}}\quad \lim _{\tau \to +\infty }{\tau }^{-2}I(\tau )=0\,.} 13562: 9618: 12185: 10465: 9835:
Consider a container filled with an ideal gas consisting of point masses. The force applied to the point masses is the negative of the forces applied to the wall of the container, which is of the form
5472:{\displaystyle \left\langle {\frac {dG}{dt}}\right\rangle _{\tau }={\frac {1}{\tau }}\int _{0}^{\tau }{\frac {dG}{dt}}\,dt={\frac {1}{\tau }}\int _{G(0)}^{G(\tau )}\,dG={\frac {G(\tau )-G(0)}{\tau }},} 217:
The significance of the virial theorem is that it allows the average total kinetic energy to be calculated even for very complicated systems that defy an exact solution, such as those considered in
5019: 9885: 8544: 1306:{\displaystyle -{\frac {1}{2}}\sum _{k=1}^{N}{\bigl \langle }\mathbf {F} _{k}\cdot \mathbf {r} _{k}{\bigr \rangle }=-{\frac {1}{2}}(-Fr-Fr)=Fr={\frac {mv^{2}}{r}}\cdot r=mv^{2}=\langle T\rangle ,} 5619:{\displaystyle \left\langle {\frac {dG}{dt}}\right\rangle _{\tau }=2\left\langle T\right\rangle _{\tau }+\sum _{k=1}^{N}\left\langle \mathbf {F} _{k}\cdot \mathbf {r} _{k}\right\rangle _{\tau }.} 13386: 4535: 3770: 2964: 1961: 1658: 13235:), it can be hard to define specific, finite measures of their mass and size. The virial theorem, and related concepts, provide an often convenient means by which to quantify these properties. 6524: 13662: 6946: 11661:{\displaystyle {\frac {1}{2}}{\frac {d^{2}I}{dt^{2}}}+\int _{V}x_{k}{\frac {\partial G_{k}}{\partial t}}\,d^{3}r=2(T+U)+W^{\mathrm {E} }+W^{\mathrm {M} }-\int x_{k}(p_{ik}+T_{ik})\,dS_{i},} 6214:{\displaystyle \langle T\rangle _{\tau }=-{\frac {1}{2}}\sum _{k=1}^{N}\langle \mathbf {F} _{k}\cdot \mathbf {r} _{k}\rangle _{\tau }={\frac {n}{2}}\langle V_{\text{TOT}}\rangle _{\tau }.} 11234: 10044:{\displaystyle \langle T\rangle =-{\frac {1}{2}}{\Bigg \langle }\sum _{i}\mathbf {F} _{i}\cdot \mathbf {r} _{i}{\Bigg \rangle }={\frac {P}{2}}\int \mathbf {\hat {n}} \cdot \mathbf {r} dA} 1373: 13756:
The virial theorem is applicable to the cores of stars, by establishing a relation between gravitational potential energy and thermal kinetic energy (i.e. temperature). As stars on the
9151: 9445: 7009: 4517: 7498:{\displaystyle u\in L_{\mathrm {loc} }^{\infty }(\mathbb {R} ^{n}),\qquad \nabla u\in L^{2}(\mathbb {R} ^{n}),\qquad G(u(\cdot ))\in L^{1}(\mathbb {R} ^{n}),\qquad n\in \mathbb {N} ,} 7324: 6234: 12071:{\displaystyle T_{ik}=\left({\frac {\varepsilon _{0}E^{2}}{2}}+{\frac {B^{2}}{2\mu _{0}}}\right)\delta _{ik}-\left(\varepsilon _{0}E_{i}E_{k}+{\frac {B_{i}B_{k}}{\mu _{0}}}\right).} 9563:{\displaystyle \underbrace {\langle {\dot {x}}\;\gamma {\dot {x}}\rangle } _{\text{power dissipated}}=\underbrace {\langle {\dot {x}}\;F\cos \omega t\rangle } _{\text{power input}}} 6785: 6533: 10971: 9914: 7554: 10933: 13587: 12722: 10679: 2924:{\displaystyle -{\frac {1}{2}}\,\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}=-{\frac {1}{2}}\,\sum _{k=1}^{N}\sum _{j=1}^{N}\mathbf {F} _{jk}\cdot \mathbf {r} _{k}\,.} 13765:. This continues beyond the main sequence, unless the core becomes degenerate since that causes the pressure to become independent of temperature and the virial relation with 5154: 8881: 8692: 13419: 10761: 10058: 12860: 12555:{\displaystyle v_{\mathrm {rms} }=c{\sqrt {1-{\frac {4\pi \eta \rho _{0}r^{2}}{c^{2}\gamma _{c}^{2}\sin ^{2}\left({\frac {r}{c}}{\sqrt {4\pi \eta \rho _{0}}}\right)}}}},} 12638: 12206:, if the magnetic pressure is higher than the plasma pressure). Thus the lifetime of a plasmoid is expected to be on the order of the acoustic (or Alfvén) transit time. 9191: 6327:
measurements give lower bounds for their relative velocities, and the virial theorem gives a lower bound for the total mass of the cluster, including any dark matter.
10864: 10281:, and discovered a discrepancy of mass of about 450, which he explained as due to "dark matter". He refined the analysis in 1937, finding a discrepancy of about 500. 8921: 12608: 10267: 7255: 6363: 2639:{\displaystyle T={\frac {1}{2}}\sum _{k=1}^{N}m_{k}v_{k}^{2}={\frac {1}{2}}\sum _{k=1}^{N}m_{k}{\frac {d\mathbf {r} _{k}}{dt}}\cdot {\frac {d\mathbf {r} _{k}}{dt}}.} 10890: 7220: 1313:
as required. Note: If the origin is displaced then we'd obtain the same result. This is because the dot product of the displacement with equal and opposite forces
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other terms on the right hand side are positive, the acceleration of the moment of inertia will also be positive. It is also easy to estimate the expansion time
11105: 10151: 13408: 10327: 10307: 9171: 8901: 8843: 8823: 7578: 6323:. If a region of space is unusually full of galaxies, it is safe to assume that they have been together for a long time, and the virial theorem can be applied. 3694:{\displaystyle \mathbf {F} _{jk}=-\nabla _{\mathbf {r} _{k}}V_{jk}=-{\frac {dV_{jk}}{dr_{jk}}}\left({\frac {\mathbf {r} _{k}-\mathbf {r} _{j}}{r_{jk}}}\right),} 427:
as applied in classical gravitational dynamics, the original form of which was included in Lagrange's "Essay on the Problem of Three Bodies" published in 1772.
6790: 4434:{\displaystyle {\frac {dG}{dt}}=2T+\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}=2T-\sum _{k=2}^{N}\sum _{j=1}^{k-1}{\frac {dV_{jk}}{dr_{jk}}}r_{jk}.} 1556: 7865: 4933: 1349:
Although the virial theorem depends on averaging the total kinetic and potential energies, the presentation here postpones the averaging to the last step.
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The virial theorem has a particularly simple form for periodic motion. It can be used to perform perturbative calculation for nonlinear oscillators.
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An alternate definition of the virial mass and radius is often used in cosmology where it is used to refer to the radius of a sphere, centered on a
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is the mass within that radius. The virial mass and radius are generally defined for the radius at which the velocity dispersion is a maximum, i.e.
147:{\displaystyle \left\langle T\right\rangle =-{\frac {1}{2}}\,\sum _{k=1}^{N}{\bigl \langle }\mathbf {F} _{k}\cdot \mathbf {r} _{k}{\bigr \rangle }} 13507: 12144: 5769:{\displaystyle 2\left\langle T\right\rangle _{\tau }=-\sum _{k=1}^{N}\left\langle \mathbf {F} _{k}\cdot \mathbf {r} _{k}\right\rangle _{\tau }.} 9317:{\displaystyle m\langle {\dot {x}}{\dot {x}}\rangle =k\langle xx\rangle +\gamma \langle x{\dot {x}}\rangle -F\langle \cos(\omega t)x\rangle } 13231:" respectively. Because galaxies and overdensities in continuous fluids can be highly extended (even to infinity in some models, such as an 10684: 6346:
Although originally derived for classical mechanics, the virial theorem also holds for quantum mechanics, as first shown by Fock using the
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In the field of quantum mechanics, there exists another form of the virial theorem, applicable to localized solutions to the stationary
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To solve the two unknowns, we need another equation. In steady state, the power lost per cycle is equal to the power gained per cycle:
8697: 8247:{\displaystyle \left({\frac {1+{\sqrt {1-\beta ^{2}}}}{2}}\right)T\qquad {\text{or}}\qquad \left({\frac {\gamma +1}{2\gamma }}\right)T} 6468: 510:, acted upon by mutually attractive forces. Suppose the particles are at diametrically opposite points of a circular orbit with radius 14630:
Fedosin, S. G. (2016). "The virial theorem and the kinetic energy of particles of a macroscopic system in the general field concept".
11042: 9327: 13580:. A common choice for the factor is 200, which corresponds roughly to the typical over-density in spherical top-hat collapse (see 12311:{\displaystyle \left\langle W_{k}\right\rangle \approx -0.6\sum _{k=1}^{N}\langle \mathbf {F} _{k}\cdot \mathbf {r} _{k}\rangle ,} 11852:{\displaystyle p_{ik}=\Sigma n^{\sigma }m^{\sigma }\langle v_{i}v_{k}\rangle ^{\sigma }-V_{i}V_{k}\Sigma m^{\sigma }n^{\sigma },} 9573: 10393: 7730:{\displaystyle \left({\frac {n-2}{2}}\right)\int _{\mathbb {R} ^{n}}|\nabla u(x)|^{2}\,dx=n\int _{\mathbb {R} ^{n}}G(u(x))\,dx.} 4465: 386:
over all pairs of particles in the system. A common example of such a system is a star held together by its own gravity, where
14877: 14848: 14819: 14792: 14564: 13884: 13793: 13122:{\displaystyle {\frac {3}{5}}{\frac {GM}{R}}={\frac {3}{2}}{\frac {k_{\mathrm {B} }T}{m_{\mathrm {p} }}}={\frac {1}{2}}v^{2}} 14580:
Kolár, M.; O'Shea, S. F. (July 1996). "A high-temperature approximation for the path-integral quantum Monte Carlo method".
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In particular, the ratio of kinetic energy to potential energy is no longer fixed, but necessarily falls into an interval:
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i̇Pekoğlu, Y.; Turgut, S. (2016). "An elementary derivation of the quantum virial theorem from Hellmann–Feynman theorem".
12360:, then we can see that in the virial theorem the kinetic energy is related to the potential energy not by the coefficient 7508: 12991:{\displaystyle ~W_{f}={\frac {1}{4\mu _{0}}}\int F_{\alpha \beta }F^{\alpha \beta }{\sqrt {-g}}\,dx^{1}\,dx^{2}\,dx^{3}} 12669: 229:. However, the virial theorem does not depend on the notion of temperature and holds even for systems that are not in 13957: 7797: 7161: 7779: 7175: 7143: 6891: 13905:"Virial Field Relationship for Molecular Charge Distributions and the Spatial Partitioning of Molecular Properties" 11187: 14974: 12666:
Unlike the virial theorem for particles, for the electromagnetic field the virial theorem is written as follows:
8255: 7771: 7135: 6358: 440: 9106: 13798: 9405: 7775: 7139: 5135:{\displaystyle {\frac {dG}{dt}}=2T+\sum _{k=1}^{N}\mathbf {F} _{k}\cdot \mathbf {r} _{k}=2T-nV_{\text{TOT}}\,.} 11244:
Lord Rayleigh published a generalization of the virial theorem in 1900 which was partially reprinted in 1903.
8639:{\displaystyle {\frac {2\langle T_{\mathrm {TOT} }\rangle }{n\langle V_{\mathrm {TOT} }\rangle }}\in \left\,,} 14959: 7263: 14969: 13502: 262: 10938: 9890: 13742:{\displaystyle M_{\text{vir}}\approx M_{200}={\frac {4}{3}}\pi r_{200}^{3}\cdot 200\rho _{\text{crit}}.} 12135:
is the larger of the plasma pressure or the magnetic pressure. Equating these two terms and solving for
10895: 14484: 14440: 13232: 10658: 7557: 3470: 448: 10141:{\textstyle \int \mathbf {\hat {n}} \cdot \mathbf {r} dA=\int \nabla \cdot \mathbf {r} dV=3\int dV=3V} 471:
was the first to use the virial theorem to deduce the existence of unseen matter, which is now called
14954: 10973:. He also measured the radial velocities of the galaxies by doppler shifts in galactic spectra to be 8848: 7179: 1493:{\displaystyle I=\sum _{k=1}^{N}m_{k}\left|\mathbf {r} _{k}\right|^{2}=\sum _{k=1}^{N}m_{k}r_{k}^{2}} 9635: 8664: 14964: 13818: 7760: 7183: 7124: 5262: 428: 7094:{\displaystyle 2\langle T\rangle =\sum _{n}\left\langle X_{n}{\frac {dV}{dX_{n}}}\right\rangle ~.} 14936: 14150: 12838: 7764: 7128: 14075: 13173:. Note that these relations are only approximate, and often the leading numerical factors (e.g. 12613: 6299:{\displaystyle \langle T\rangle _{\tau }=-{\frac {1}{2}}\langle V_{\text{TOT}}\rangle _{\tau }.} 13577: 13146: 424: 14809: 14782: 14330: 9176: 6231:
equals −1 and the average kinetic energy equals half of the average negative potential energy
2956:), we split the sum in terms below and above this diagonal and we add them together in pairs: 14487:; Fermi E (1953). "Problems of Gravitational Stability in the Presence of a Magnetic Field". 13808: 11871: 11036: 10843: 8906: 6725:{\displaystyle =X_{n}+P_{n}=i\hbar X_{n}{\frac {dV}{dX_{n}}}-i\hbar {\frac {P_{n}^{2}}{m}}~.} 5258: 226: 218: 12998:
sets the potential field energy found through the components of the electromagnetic tensor.
12590: 10237: 10227:{\textstyle \langle T\rangle =N\langle {\frac {1}{2}}mv^{2}\rangle =N\cdot {\frac {3}{2}}kT} 7225: 14896: 14865: 14706: 14649: 14589: 14496: 14456: 14414: 14377: 14252: 14193: 14087: 14037: 13990: 13916: 13872: 13803: 13223:, the mass and size of a galaxy (or general overdensity) is often defined in terms of the " 13007: 11177:{\displaystyle {\frac {5R\langle v_{r}^{2}\rangle }{G}}\approx 3.6\times 10^{14}M_{\odot }} 10869: 7187: 1367: 375:
represents the total potential energy of the system, i.e., the sum of the potential energy
13652:{\displaystyle r_{\text{vir}}\approx r_{200}=r,\qquad \rho =200\cdot \rho _{\text{crit}}.} 11422:
The virial theorem can be extended to include electric and magnetic fields. The result is
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is only approximately zero, the virial theorem holds to the same degree of approximation.
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of the particles at the center of the system. Under normal conditions we can assume that
6971: 5250:{\displaystyle {\frac {dG}{dt}}={\frac {1}{2}}{\frac {d^{2}I}{dt^{2}}}=2T+V_{\text{TOT}}} 3526:. Since the force is the negative gradient of the potential energy, we have in this case 481: 436: 230: 14908: 14900: 14869: 14780: 14710: 14653: 14593: 14500: 14460: 14418: 14381: 14256: 14230: 14197: 14091: 14041: 13994: 13920: 13876: 13253:
can be used in a similar way. Taking the kinetic energy (per particle) of the system as
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holds for the system under consideration, the averaging need not be taken over time; an
14912: 14730: 14696: 14665: 14639: 14276: 14242: 14053: 14025: 14006: 13778: 13487: 13393: 13153: 10312: 10292: 10052: 9156: 8886: 8828: 8808: 7563: 32: 14930: 14601: 13904: 14916: 14873: 14844: 14815: 14788: 14734: 14722: 14560: 14268: 14211: 14162: 14103: 14057: 14010: 13963: 13953: 13945: 13880: 13813: 13476:{\displaystyle {\frac {GM_{\text{vir}}}{R_{\text{vir}}}}\approx \sigma _{\max }^{2}.} 13239: 12199: 11675: 10826:{\displaystyle Nm={\frac {5\langle v^{2}\rangle }{3G\langle {\frac {1}{r}}\rangle }}} 8658: 6347: 1639: 1360: 1093: 407:
of the system is equal to its virial, or that the average kinetic energy is equal to
14669: 14540: 14523: 14346: 14280: 12828:{\textstyle ~E_{kf}=\int A_{\alpha }j^{\alpha }{\sqrt {-g}}\,dx^{1}\,dx^{2}\,dx^{3}} 11245: 444: 14904: 14761: 14714: 14657: 14597: 14535: 14504: 14464: 14422: 14385: 14311: 14260: 14201: 14095: 14045: 13998: 13924: 13847: 6335: 6309: 1357: 241: 40: 14749: 13006:
The virial theorem is frequently applied in astrophysics, especially relating the
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When the oscillator has reached a steady state, it performs a stable oscillation
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are the electric and magnetic energy content of the volume considered. Finally,
10645:{\textstyle \langle U\rangle =-{\frac {1}{2}}N^{2}Gm^{2}\langle {1}/{r}\rangle } 14781:
BAIDYANATH BASU; TANUKA CHATTOPADHYAY; SUDHINDRA NATH BISWAS (1 January 2010).
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The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
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the average potential energy. The virial theorem can be obtained directly from
195: 36: 28: 14859: 14718: 14685:"The integral theorem of generalized virial in the relativistic uniform model" 14661: 14315: 13866: 13851: 12203: 14948: 14726: 14272: 14215: 14166: 14107: 13900: 13783: 13762: 13757: 13228: 11719:
is the fluid-pressure tensor expressed in the local moving coordinate system
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as the gravitational potential of a uniform ball of constant density, giving
10562:. Assuming the motion of the stars are all the same over a long enough time ( 476: 464: 460: 233:. The virial theorem has been generalized in various ways, most notably to a 14426: 13238:
In galaxy dynamics, the mass of a galaxy is often inferred by measuring the
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There are many reasons why the average of the time derivative might vanish,
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provides a general equation that relates the average over time of the total
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is the unit normal vector pointing outwards. Then the virial theorem states
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In 1933, Fritz Zwicky applied the virial theorem to estimate the mass of
8743: 6881:{\displaystyle {\frac {i}{\hbar }}=2T-\sum _{n}X_{n}{\frac {dV}{dX_{n}}}} 6224: 2648: 485: 472: 456: 222: 3496:
It often happens that the forces can be derived from a potential energy
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word for "force" or "energy", and was given its technical definition by
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of this time derivative vanishes in a stationary state, leading to the
6354: 6331: 1617:{\displaystyle G=\sum _{k=1}^{N}\mathbf {p} _{k}\cdot \mathbf {r} _{k}} 600:. The average kinetic energy of the system in an interval of time from 13928: 13410:
is the radius at which the velocity dispersion is being measured, and
10748:{\textstyle \langle U\rangle =-{\frac {3}{5}}{\frac {GN^{2}m^{2}}{R}}} 8254:. Thus, under the conditions described in earlier sections (including 6308:
This general result is useful for complex gravitating systems such as
13220: 7917:{\displaystyle \gamma ={\frac {1}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}}} 7810:
For a single particle in special relativity, it is not the case that
5007:{\displaystyle V_{\text{TOT}}=\sum _{k=1}^{N}\sum _{j<k}V_{jk}\,.} 20: 14295: 14099: 13838:
Clausius, RJE (1870). "On a Mechanical Theorem Applicable to Heat".
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considered as the kinetic field energy associated with four-current
10383:{\textstyle \langle T\rangle ={\frac {1}{2}}Nm\langle v^{2}\rangle } 7749: 7113: 1042:. The attractive forces act in opposite directions as positions, so 240:
If the force between any two particles of the system results from a
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is the kinetic energy. The left-hand side of this equation is just
1636: 404: 315:{\displaystyle 2\langle T\rangle =n\langle V_{\text{TOT}}\rangle .} 198:
represent the average over time of the enclosed quantity. The word
14445:"The Potentials and the Superpotentials of Homogeneous Ellipsoids" 13208: 8790:{\displaystyle \langle T\rangle =-{\frac {1}{2}}\langle U\rangle } 4527:
are constants. In such cases, the virial is given by the equation
999:
Taking center of mass as the origin, the particles have positions
362:
represents the potential energy between two particles of distance
14026:"Nonlinear scalar field equations, I existence of a ground state" 11028:{\displaystyle \langle v_{r}^{2}\rangle =(1000{\text{km/s}})^{2}} 8735:{\displaystyle \langle T\rangle ={\frac {n}{2}}\langle U\rangle } 2733:{\displaystyle \mathbf {F} _{k}=\sum _{j=1}^{N}\mathbf {F} _{jk}} 44: 11092:{\displaystyle \langle v^{2}\rangle =3\langle v_{r}^{2}\rangle } 13494: 11250: 11102:
By the virial theorem, the total mass of the cluster should be
9395:{\displaystyle F\cos(\varphi )=m(\omega _{0}^{2}-\omega ^{2})X} 8646:
where the more relativistic systems exhibit the larger ratios.
6313: 234: 8805:
Analysis based on. For a one-dimensional oscillator with mass
11236:, meaning the total mass is 450 times that of observed mass. 10390:. The total gravitational potential energy of the cluster is 207: 176: 13557:{\displaystyle \rho _{\text{crit}}={\frac {3H^{2}}{8\pi G}}} 13659:
The virial mass is then defined relative to this radius as
10892:
galaxies in the cluster, each having observed stellar mass
9813: 9613:{\displaystyle \sin \varphi =-{\frac {\gamma X\omega }{F}}} 488: 14335:. Cambridge: Cambridge University Press. pp. 491–493. 12180:{\displaystyle \tau \,\sim {\frac {R}{c_{\mathrm {s} }}},} 10758:
So by the virial theorem, the total mass of the cluster is
10460:{\displaystyle U=-\sum _{i<j}{\frac {Gm^{2}}{r_{i,j}}}} 1650:
is one-half the time derivative of this moment of inertia
13761:
increases even as energy is lost, effectively a negative
10289:
He approximated the Coma cluster as a spherical "gas" of
14439: 5834:, and the average goes to zero in the limit of infinite 5273:
The average of this derivative over a duration of time,
13584:), in which case the virial radius is approximated as 12730: 11417: 10687: 10572: 10473: 10335: 10154: 10061: 7266: 6894: 3760:, as may be confirmed by explicit calculation. Hence, 2668:
is the sum of all the forces from the other particles
2649:
Connection with the potential energy between particles
221:; this average total kinetic energy is related to the 14774: 14182:"On the Masses of Nebulae and of Clusters of Nebulae" 13665: 13590: 13510: 13422: 13396: 13346: 13024: 12868: 12841: 12672: 12646: 12616: 12593: 12570: 12396: 12380:
is not equal to zero and should be considered as the
12223: 12147: 11882: 11727: 11430: 11260: 11190: 11108: 11045: 10979: 10941: 10898: 10872: 10846: 10764: 10661: 10396: 10315: 10295: 10240: 9922: 9893: 9880:{\displaystyle d\mathbf {F} =-\mathbf {\hat {n}} PdA} 9841: 9629: 9576: 9456: 9408: 9330: 9202: 9179: 9159: 9109: 8931: 8909: 8889: 8851: 8831: 8811: 8752: 8742:. In particular, for gravitational or electrostatic ( 8700: 8667: 8547: 8288: 8156: 7956: 7868: 7586: 7566: 7511: 7332: 7228: 7199: 7012: 6793: 6740: 6536: 6471: 6366: 6237: 6078: 5846: 5670: 5485: 5283: 5157: 5022: 4936: 4533: 4468: 4234: 3768: 3534: 2962: 2765: 2678: 2465: 1959: 1656: 1559: 1376: 1116: 626: 274: 202:
for the right-hand side of the equation derives from
53: 31:
of a stable system of discrete particles, bound by a
14483: 8800: 6319:
A simple application of the virial theorem concerns
1646:
th particle. Assuming that the masses are constant,
39:
done is independent of path) with that of the total
13381:{\displaystyle {\frac {GM}{R}}\approx \sigma ^{2}.} 12125:. The terms on the right hand side add up to about 4443: 13741: 13651: 13556: 13475: 13402: 13380: 13121: 12990: 12854: 12827: 12716: 12655: 12632: 12602: 12579: 12554: 12310: 12179: 12103:, and the left hand side of the virial theorem is 12070: 11851: 11660: 11402: 11228: 11176: 11091: 11027: 10965: 10935:(suggested by Hubble), and the cluster has radius 10927: 10884: 10858: 10825: 10747: 10673: 10644: 10554: 10459: 10382: 10321: 10301: 10261: 10226: 10140: 10043: 9908: 9879: 9819: 9623:Now we have two equations that yield the solution 9612: 9562: 9439: 9394: 9316: 9185: 9165: 9145: 9093: 8915: 8895: 8875: 8837: 8817: 8789: 8734: 8686: 8638: 8533: 8246: 8142: 7916: 7729: 7572: 7548: 7497: 7318: 7249: 7214: 7093: 6940: 6880: 6779: 6724: 6518: 6448: 6298: 6213: 6049: 5768: 5618: 5471: 5249: 5134: 5006: 4913: 4511: 4433: 4218: 3693: 3461: 2923: 2732: 2638: 2350: 1941: 1616: 1492: 1305: 991: 314: 146: 11698:is the random "thermal" energy of the particles, 10071: 10021: 9994: 9950: 9900: 9862: 6519:{\displaystyle P_{n}=-i\hbar {\frac {d}{dX_{n}}}} 4452:between two particles is proportional to a power 14946: 14557:Mathematical Introduction to Celestial Mechanics 14405:Parker, E.N. (1954). "Tensor Virial Equations". 13460: 11345: 11303: 11265: 6030: 6017: 5994: 5931: 5848: 14886: 14807: 14579: 14229:Bertone, Gianfranco; Hooper, Dan (2018-10-15). 14023: 13209:Galaxies and cosmology (virial mass and radius) 6941:{\textstyle T=\sum _{n}{\frac {P_{n}^{2}}{2m}}} 4448:In a common special case, the potential energy 14619:(Second ed.). Academic Press. p. 72. 14582:Journal of Physics A: Mathematical and General 12209: 6059:Even if the average of the time derivative of 14814:. Cambridge University Press. pp. 242–. 14328: 14293: 14228: 13981:Fock, V. (1930). "Bemerkung zum Virialsatz". 13297:, and the potential energy (per particle) as 11684:momentum density of the electromagnetic field 10148:. And since the average total kinetic energy 6401: 6378: 1549:is the position vector magnitude. The scalar 1187: 1153: 324:Thus, twice the average total kinetic energy 139: 105: 14938:Gravitational Contraction and Star Formation 14559:. Englewood Cliffs, NJ: Prentice–Hall, Inc. 14298:On a theorem analogous to the virial theorem 13899: 12337:exceeds the kinetic energy of the particles 12302: 12272: 11791: 11767: 11328: 11321: 11290: 11283: 11229:{\displaystyle Nm=8\times 10^{11}M_{\odot }} 11136: 11118: 11086: 11068: 11059: 11046: 10998: 10980: 10817: 10804: 10793: 10780: 10694: 10688: 10668: 10662: 10639: 10621: 10579: 10573: 10549: 10518: 10480: 10474: 10377: 10364: 10342: 10336: 10196: 10170: 10161: 10155: 9929: 9923: 9545: 9514: 9492: 9461: 9447:is the natural frequency of the oscillator. 9311: 9287: 9278: 9260: 9251: 9242: 9233: 9206: 8784: 8778: 8759: 8753: 8729: 8723: 8707: 8701: 8604: 8583: 8575: 8554: 8278:, despite relativity), the time average for 7022: 7016: 6396: 6383: 6338:can also be taken, with equivalent results. 6284: 6270: 6245: 6238: 6199: 6185: 6163: 6132: 6086: 6079: 4930:is the total potential energy of the system 1297: 1291: 633: 627: 494: 306: 293: 284: 278: 7778:. Unsourced material may be challenged and 7142:. Unsourced material may be challenged and 1344: 268:, the virial theorem takes the simple form 14861:The Virial Theorem in Stellar Astrophysics 14750:"The Integral Theorem of the Field Energy" 14366:"On the Radial Pulsation of Gaseous Stars" 14161:. Translated by Heinz Andernach: 110–127. 14073: 13893: 13868:The Virial Theorem in Stellar Astrophysics 9529: 9476: 9146:{\displaystyle x=X\cos(\omega t+\varphi )} 8661:. If the central potential is of the form 6734:Summing over all particles, one finds for 183:th particle, which is located at position 14838: 14765: 14700: 14643: 14539: 14468: 14389: 14246: 14205: 13944: 12974: 12960: 12946: 12811: 12797: 12783: 12151: 11641: 11525: 11396: 9440:{\displaystyle \omega _{0}={\sqrt {k/m}}} 8657:It can also be used to study motion in a 8632: 8527: 8150:The last expression can be simplified to 8132: 7798:Learn how and when to remove this message 7717: 7684: 7664: 7620: 7488: 7464: 7408: 7367: 7309: 7162:Learn how and when to remove this message 5420: 5367: 5128: 5000: 4896: 4829: 4728: 4617: 4551: 4512:{\displaystyle V_{jk}=\alpha r_{jk}^{n},} 2917: 2844: 2779: 1931: 1822: 592:. The respective magnitudes are fixed at 338:times the average total potential energy 81: 14801: 14787:. PHI Learning Pvt. Ltd. pp. 365–. 14353:. Paris: Hermann. pp. 90–91 et seq. 14351:Leçons sur les hypothèses cosmogoniques 14345: 13837: 12341:by a factor equal to the Lorentz factor 12097:, then the moment of inertia is roughly 8282:particles with a power law potential is 7739: 7103: 5479:from which we obtain the exact equation 3507:that is a function only of the distance 2933:Since no particle acts on itself (i.e., 14857: 14747: 14682: 14629: 14614: 14554: 14521: 14151:"The Redshift of Extragalactic Nebulae" 13865:Collins, G. W. (1978). "Introduction". 13864: 13490:sense, or when used self-consistently. 10284: 8019: 8002: 7319:{\textstyle G(s)=\int _{0}^{s}g(t)\,dt} 6341: 2412:is the net force on that particle, and 1522:represent the mass and position of the 14947: 14689:Continuum Mechanics and Thermodynamics 14632:Continuum Mechanics and Thermodynamics 14404: 14363: 14179: 14148: 14024:Berestycki, H.; Lions, P. -L. (1983). 6066:For power-law forces with an exponent 9196:Applying the virial theorem, we have 6780:{\displaystyle Q=\sum _{n}X_{n}P_{n}} 5144:For gravitating systems the exponent 14524:"A sharp form of the virial theorem" 14144: 14142: 14069: 14067: 13980: 13940: 13938: 13018:. Some common virial relations are 12610:is the acceleration field constant, 7776:adding citations to reliable sources 7743: 7222:be continuous and real-valued, with 7140:adding citations to reliable sources 7107: 14617:Physics of High Temperature Plasmas 11418:Inclusion of electromagnetic fields 10966:{\displaystyle R=10^{6}{\text{ly}}} 9909:{\displaystyle \mathbf {\hat {n}} } 8694:, the virial theorem simplifies to 7549:{\displaystyle -\nabla ^{2}u=g(u),} 5816:, is bounded between two extremes, 2759:. Hence, the virial can be written 257:that is proportional to some power 160:is the total kinetic energy of the 43:of the system. Mathematically, the 13: 14832: 14754:Gazi University Journal of Science 14074:Sivardiere, Jean (December 1986). 13088: 13072: 13001: 12640:is the mass density of particles, 12409: 12406: 12403: 12166: 11823: 11744: 11584: 11569: 11516: 11501: 11358: 11316: 11278: 11239: 10928:{\displaystyle m=10^{9}M_{\odot }} 10097: 8598: 8595: 8592: 8569: 8566: 8563: 8316: 8313: 8310: 7637: 7516: 7384: 7357: 7351: 7348: 7345: 6004: 5941: 5896: 5893: 5890: 5887: 5884: 5858: 3557: 431:generalization of the identity to 14: 14986: 14924: 14808:William K. Rose (16 April 1998). 14683:Fedosin, Sergey G. (2018-09-24). 14139: 14064: 13935: 12717:{\displaystyle ~E_{kf}+2W_{f}=0,} 10674:{\displaystyle \langle U\rangle } 8801:Driven damped harmonic oscillator 6974:of motion. The expectation value 6799: 6691: 6645: 6491: 5268: 2751:is the force applied by particle 14843:(2nd ed.). Addison–Wesley. 13952:(2nd ed.). Addison-Wesley. 13246:. Using the virial theorem, the 12292: 12277: 11184:. However, the observed mass is 10104: 10081: 10068: 10031: 10018: 9982: 9967: 9897: 9859: 9846: 9830: 7980: 7972: 7748: 7112: 6152: 6137: 5742: 5727: 5592: 5577: 5093: 5078: 4590: 4575: 4444:Special case of power-law forces 4305: 4290: 4057: 4042: 3916: 3901: 3878: 3811: 3796: 3752:, the force applied by particle 3658: 3643: 3563: 3537: 3440: 3425: 3402: 3334: 3316: 3301: 3283: 3203: 3185: 3170: 3152: 3084: 3066: 3005: 2990: 2907: 2889: 2818: 2803: 2717: 2681: 2612: 2580: 2334: 2319: 2267: 2252: 2205: 2173: 2114: 2088: 2035: 2014: 1949:In turn, the time derivative of 1915: 1900: 1857: 1831: 1771: 1756: 1604: 1589: 1421: 1175: 1160: 928: 874: 749: 127: 112: 16:Theorem of statistical mechanics 14784:AN INTRODUCTION TO ASTROPHYSICS 14741: 14676: 14623: 14608: 14573: 14548: 14541:10.1090/S0002-9904-1964-11175-7 14515: 14477: 14433: 14398: 14357: 14339: 14322: 14287: 14222: 14173: 13909:The Journal of Chemical Physics 13623: 13242:of its gas and stars, assuming 11343: 11337: 8876:{\displaystyle F\cos(\omega t)} 8209: 8203: 7480: 7424: 7383: 3703:which is equal and opposite to 3493:(equal and opposite reaction). 2420:of the system according to the 14114: 14017: 13974: 13858: 13831: 13799:Chandrasekhar virial equations 13008:gravitational potential energy 11638: 11606: 11557: 11545: 11414:term otherwise must be added. 11387: 11381: 11352: 11310: 11272: 11016: 11004: 10272: 9804: 9773: 9725: 9693: 9386: 9355: 9346: 9340: 9305: 9296: 9140: 9125: 9076: 9067: 8870: 8861: 8687:{\displaystyle U\propto r^{n}} 8119: 8107: 7714: 7711: 7705: 7699: 7654: 7649: 7643: 7633: 7540: 7534: 7505:be a solution to the equation 7474: 7459: 7443: 7440: 7434: 7428: 7418: 7403: 7377: 7362: 7306: 7300: 7276: 7270: 7238: 7232: 7209: 7203: 7176:nonlinear Schrödinger equation 6816: 6804: 6626: 6607: 6601: 6582: 6566: 6537: 6070:, the general equation holds: 6001: 5977: 5971: 5962: 5956: 5938: 5855: 5457: 5451: 5442: 5436: 5415: 5409: 5401: 5395: 4069: 4036: 1229: 1208: 949: 944: 938: 922: 895: 890: 884: 868: 765: 759: 1: 14909:10.1088/0143-0807/37/4/045405 14811:Advanced Stellar Astrophysics 14294:Lord Rayleigh (August 1900). 13824: 11872:electromagnetic stress tensor 8923:, the equation of motion is 1341:results in net cancellation. 553:, which are normal to forces 14332:Scientific Papers: 1892–1901 14265:10.1103/RevModPhys.90.045002 12093:is confined within a radius 10309:stars of roughly equal mass 8256:Newton's third law of motion 3518:between the point particles 3471:Newton's third law of motion 7: 14889:European Journal of Physics 14602:10.1088/0305-4470/29/13/018 14180:Zwicky, F. (October 1937). 14080:American Journal of Physics 13772: 13769:equals −1 no longer holds. 12855:{\displaystyle j^{\alpha }} 12210:Relativistic uniform system 8649: 7839:. Instead, it is true that 6456:with the position operator 3469:where we have assumed that 1553:is defined by the equation 1370:is defined by the equation 10: 14991: 14941:, Georgia State University 14076:"Using the virial theorem" 13212: 13205:) are neglected entirely. 12633:{\displaystyle ~\rho _{0}} 8903:, and damping coefficient 6787:the commutator amounts to 6465:and the momentum operator 2459:velocity of each particle 506:particles with equal mass 449:Subrahmanyan Chandrasekhar 393: 14719:10.1007/s00161-018-0715-x 14662:10.1007/s00161-016-0536-8 14370:The Astrophysical Journal 14316:10.1080/14786440009463903 14235:Reviews of Modern Physics 14186:The Astrophysical Journal 14030:Arch. Rational Mech. Anal 13903:; Beddall, P. M. (1972). 13852:10.1080/14786447008640370 13244:circular Keplerian orbits 10866:estimated that there are 495:Illustrative special case 14615:Schmidt, George (1979). 14231:"History of dark matter" 13983:Zeitschrift für Physik A 13751: 9186:{\displaystyle \varphi } 1345:Statement and derivation 14858:Collins, G. W. (1978). 14555:Pollard, Harry (1966). 14427:10.1103/PhysRev.96.1686 12663:is the current radius. 12587:is the speed of light, 10859:{\displaystyle _{1933}} 10835: 8916:{\displaystyle \gamma } 7580:satisfies the relation 14975:Equations of astronomy 14839:Goldstein, H. (1980). 14767:10.5281/zenodo.3252783 14748:Fedosin, S.G. (2019). 14443:; Lebovitz NR (1962). 14329:Lord Rayleigh (1903). 14155:Helvetica Physica Acta 14149:Zwicky, Fritz (1933). 14122:"2.11: Virial Theorem" 13840:Philosophical Magazine 13743: 13653: 13578:gravitational constant 13558: 13477: 13404: 13382: 13123: 12992: 12856: 12829: 12718: 12657: 12634: 12604: 12603:{\displaystyle ~\eta } 12581: 12556: 12312: 12271: 12181: 12072: 11853: 11662: 11404: 11230: 11178: 11093: 11029: 10967: 10929: 10886: 10860: 10827: 10749: 10675: 10646: 10556: 10461: 10384: 10323: 10303: 10263: 10262:{\displaystyle PV=NkT} 10228: 10142: 10045: 9910: 9881: 9821: 9614: 9570:, which simplifies to 9564: 9441: 9396: 9324:, which simplifies to 9318: 9187: 9167: 9147: 9095: 8917: 8897: 8877: 8839: 8819: 8791: 8736: 8688: 8640: 8535: 8460: 8361: 8248: 8144: 7918: 7731: 7574: 7550: 7499: 7320: 7251: 7250:{\displaystyle g(0)=0} 7216: 7095: 7003:quantum virial theorem 6942: 6882: 6781: 6726: 6520: 6450: 6300: 6215: 6131: 6051: 5770: 5718: 5620: 5568: 5473: 5251: 5136: 5075: 5008: 4970: 4915: 4850: 4749: 4638: 4572: 4519:where the coefficient 4513: 4435: 4374: 4347: 4287: 4220: 4155: 4128: 3991: 3964: 3875: 3848: 3793: 3695: 3463: 3399: 3372: 3275: 3248: 3144: 3117: 3063: 3042: 2987: 2925: 2886: 2865: 2800: 2734: 2714: 2640: 2561: 2502: 2352: 2316: 2249: 2154: 2079: 2011: 1943: 1897: 1811: 1743: 1618: 1586: 1494: 1464: 1403: 1307: 1150: 993: 720: 316: 263:interparticle distance 148: 102: 14528:Bull. Amer. Math. Soc 13819:Pokhozhaev's identity 13809:Equipartition theorem 13744: 13654: 13559: 13478: 13405: 13383: 13124: 12993: 12857: 12830: 12719: 12658: 12635: 12605: 12582: 12557: 12313: 12251: 12182: 12073: 11854: 11663: 11405: 11231: 11179: 11094: 11030: 10968: 10930: 10887: 10885:{\displaystyle N=800} 10861: 10828: 10750: 10676: 10647: 10557: 10462: 10385: 10324: 10304: 10264: 10229: 10143: 10046: 9911: 9882: 9822: 9615: 9565: 9442: 9397: 9319: 9188: 9173:is the amplitude and 9168: 9148: 9096: 8918: 8898: 8878: 8840: 8820: 8792: 8737: 8689: 8641: 8536: 8440: 8341: 8249: 8145: 7919: 7740:In special relativity 7732: 7575: 7551: 7500: 7321: 7252: 7217: 7184:Pokhozhaev's identity 7180:Klein–Gordon equation 7104:Pokhozhaev's identity 7096: 6943: 6883: 6782: 6727: 6521: 6451: 6301: 6216: 6111: 6052: 5771: 5698: 5621: 5548: 5474: 5259:Joseph-Louis Lagrange 5257:which was derived by 5252: 5137: 5055: 5009: 4950: 4916: 4830: 4729: 4618: 4552: 4514: 4436: 4348: 4327: 4267: 4221: 4129: 4108: 3965: 3944: 3849: 3828: 3773: 3696: 3464: 3373: 3352: 3249: 3228: 3118: 3097: 3043: 3022: 2967: 2926: 2866: 2845: 2780: 2735: 2694: 2641: 2541: 2482: 2353: 2296: 2229: 2134: 2059: 1991: 1944: 1877: 1791: 1723: 1619: 1566: 1495: 1444: 1383: 1356:point particles, the 1308: 1130: 1038:with fixed magnitude 994: 700: 514:. The velocities are 484:for the stability of 317: 227:equipartition theorem 225:of the system by the 219:statistical mechanics 149: 82: 14960:Dynamics (mechanics) 14522:Pollard, H. (1964). 13794:Chandrasekhar tensor 13663: 13588: 13508: 13420: 13394: 13344: 13145:. The constants are 13022: 12866: 12839: 12728: 12670: 12644: 12614: 12591: 12568: 12394: 12221: 12198:is the speed of the 12145: 11880: 11725: 11428: 11258: 11188: 11106: 11043: 10977: 10939: 10896: 10870: 10844: 10762: 10685: 10659: 10570: 10471: 10394: 10333: 10313: 10293: 10285:Theoretical analysis 10238: 10152: 10059: 9920: 9891: 9839: 9627: 9574: 9454: 9406: 9328: 9200: 9193:is the phase angle. 9177: 9157: 9107: 8929: 8907: 8887: 8849: 8829: 8809: 8750: 8698: 8665: 8545: 8286: 8154: 7954: 7866: 7772:improve this section 7584: 7564: 7509: 7330: 7264: 7226: 7215:{\displaystyle g(s)} 7197: 7136:improve this section 7010: 6892: 6791: 6738: 6534: 6469: 6364: 6342:In quantum mechanics 6235: 6076: 5844: 5668: 5483: 5281: 5155: 5020: 4934: 4531: 4466: 4232: 3766: 3532: 2960: 2763: 2676: 2463: 1957: 1654: 1557: 1374: 1352:For a collection of 1114: 624: 272: 51: 14970:Concepts in physics 14901:2016EJPh...37d5405I 14870:1978vtsa.book.....C 14841:Classical Mechanics 14711:2019CMT....31..627F 14654:2017CMT....29..361F 14594:1996JPhA...29.3471K 14501:1953ApJ...118..116C 14461:1962ApJ...136.1037C 14419:1954PhRv...96.1686P 14382:1945ApJ...102..143L 14364:Ledoux, P. (1945). 14257:2018RvMP...90d5002B 14198:1937ApJ....86..217Z 14092:1986AmJPh..54.1100S 14042:1983ArRMA..82..313B 13995:1930ZPhy...63..855F 13950:Classical mechanics 13921:1972JChPh..56.3320B 13877:1978vtsa.book.....C 13719: 13469: 13248:velocity dispersion 13010:of a system to its 12487: 12382:material derivative 11135: 11085: 11039:of kinetic energy, 10997: 9790: 9710: 9372: 8397: 7361: 7296: 6972:Heisenberg equation 6970:, according to the 6927: 6710: 6435: 5419: 5346: 5150:Lagrange's identity 4795: 4505: 2527: 2369:is the mass of the 1489: 848: 699: 482:Chandrasekhar limit 437:James Clerk Maxwell 425:Lagrange's identity 231:thermal equilibrium 14931:The Virial Theorem 14126:Physics LibreTexts 14050:10.1007/BF00250555 14003:10.1007/BF01339281 13946:Goldstein, Herbert 13779:Virial coefficient 13739: 13705: 13649: 13554: 13488:order of magnitude 13473: 13455: 13400: 13378: 13164:, and proton mass 13154:Boltzmann constant 13141:, and temperature 13119: 12988: 12852: 12825: 12714: 12656:{\displaystyle ~r} 12653: 12630: 12600: 12580:{\displaystyle ~c} 12577: 12552: 12473: 12308: 12177: 12089:. If a total mass 12068: 11849: 11658: 11400: 11362: 11320: 11282: 11226: 11174: 11121: 11089: 11071: 11025: 10983: 10963: 10925: 10882: 10856: 10823: 10745: 10671: 10642: 10552: 10517: 10457: 10421: 10380: 10319: 10299: 10259: 10224: 10138: 10053:divergence theorem 10041: 9964: 9906: 9877: 9817: 9812: 9776: 9696: 9610: 9560: 9559: 9552: 9506: 9499: 9437: 9392: 9358: 9314: 9183: 9163: 9143: 9091: 9090: 9083: 9050: 9043: 9008: 9001: 8980: 8973: 8913: 8893: 8883:, spring constant 8873: 8835: 8815: 8787: 8732: 8684: 8636: 8531: 8383: 8244: 8140: 8138: 7914: 7727: 7570: 7546: 7495: 7339: 7316: 7282: 7247: 7212: 7091: 7037: 6938: 6913: 6910: 6878: 6840: 6777: 6756: 6722: 6696: 6516: 6446: 6421: 6418: 6332:ergodic hypothesis 6296: 6211: 6047: 6008: 5945: 5862: 5766: 5616: 5469: 5387: 5332: 5247: 5148:equals −1, giving 5132: 5004: 4986: 4911: 4909: 4866: 4772: 4765: 4654: 4509: 4488: 4456:of their distance 4431: 4216: 4214: 3691: 3459: 3457: 2921: 2730: 2636: 2513: 2348: 2346: 1939: 1937: 1614: 1490: 1475: 1303: 989: 820: 671: 312: 144: 33:conservative force 14879:978-0-912918-13-6 14864:. Pachart Press. 14850:978-0-201-02918-5 14821:978-0-521-58833-1 14794:978-81-203-4071-8 14588:(13): 3471–3494. 14566:978-0-13-561068-8 14086:(12): 1100–1103. 13929:10.1063/1.1677699 13886:978-0-912918-13-6 13871:. Pachart Press. 13814:Ehrenfest theorem 13804:Derrick's theorem 13733: 13700: 13673: 13643: 13598: 13552: 13518: 13450: 13447: 13436: 13403:{\displaystyle R} 13360: 13240:rotation velocity 13233:isothermal sphere 13147:Newton's constant 13107: 13094: 13061: 13048: 13033: 12944: 12905: 12871: 12781: 12733: 12724:where the energy 12675: 12649: 12619: 12596: 12573: 12547: 12545: 12537: 12514: 12200:ion acoustic wave 12172: 12058: 11963: 11931: 11676:moment of inertia 11523: 11473: 11439: 11344: 11341: 11302: 11264: 11143: 11013: 10961: 10821: 10815: 10743: 10711: 10655:Zwicky estimated 10596: 10502: 10455: 10406: 10356: 10322:{\displaystyle m} 10302:{\displaystyle N} 10216: 10181: 10074: 10024: 10010: 9955: 9946: 9903: 9865: 9808: 9736: 9735: 9608: 9557: 9526: 9512: 9510: 9504: 9489: 9473: 9459: 9457: 9435: 9275: 9230: 9218: 9166:{\displaystyle X} 9088: 9053: 9051: 9048: 9037: 9011: 9009: 9006: 8986: 8984: 8978: 8969: 8937: 8935: 8896:{\displaystyle k} 8838:{\displaystyle x} 8818:{\displaystyle m} 8776: 8721: 8659:central potential 8608: 8500: 8404: 8398: 8297: 8235: 8207: 8194: 8188: 8123: 8044: 7999: 7969: 7912: 7911: 7909: 7808: 7807: 7800: 7607: 7573:{\displaystyle u} 7188:Derrick's theorem 7172: 7171: 7164: 7087: 7078: 7028: 6936: 6901: 6876: 6831: 6802: 6747: 6718: 6714: 6683: 6514: 6444: 6409: 6348:Ehrenfest theorem 6280: 6268: 6195: 6183: 6109: 6039: 5993: 5984: 5930: 5911: 5847: 5509: 5464: 5385: 5365: 5330: 5307: 5244: 5223: 5189: 5176: 5125: 5041: 4971: 4944: 4904: 4894: 4851: 4827: 4750: 4726: 4693: 4639: 4615: 4549: 4523:and the exponent 4413: 4253: 4194: 4093: 4030: 3682: 3632: 2842: 2777: 2631: 2599: 2539: 2480: 2224: 2192: 2107: 2054: 1982: 1850: 1721: 1706: 1689: 1669: 1361:moment of inertia 1264: 1206: 1128: 1094:centripetal force 916: 862: 818: 729: 669: 303: 79: 14982: 14955:Physics theorems 14920: 14883: 14854: 14826: 14825: 14805: 14799: 14798: 14778: 14772: 14771: 14769: 14745: 14739: 14738: 14704: 14680: 14674: 14673: 14647: 14627: 14621: 14620: 14612: 14606: 14605: 14577: 14571: 14570: 14552: 14546: 14545: 14543: 14519: 14513: 14512: 14485:Chandrasekhar, S 14481: 14475: 14474: 14472: 14441:Chandrasekhar, S 14437: 14431: 14430: 14413:(6): 1686–1689. 14402: 14396: 14395: 14393: 14361: 14355: 14354: 14343: 14337: 14336: 14326: 14320: 14319: 14310:(303): 210–213. 14291: 14285: 14284: 14250: 14226: 14220: 14219: 14209: 14177: 14171: 14170: 14146: 14137: 14136: 14134: 14133: 14118: 14112: 14111: 14071: 14062: 14061: 14021: 14015: 14014: 13978: 13972: 13971: 13942: 13933: 13932: 13915:(7): 3320–3329. 13897: 13891: 13890: 13862: 13856: 13855: 13846:(265): 122–127. 13835: 13768: 13748: 13746: 13745: 13740: 13735: 13734: 13731: 13718: 13713: 13701: 13693: 13688: 13687: 13675: 13674: 13671: 13658: 13656: 13655: 13650: 13645: 13644: 13641: 13613: 13612: 13600: 13599: 13596: 13575: 13570:Hubble parameter 13567: 13563: 13561: 13560: 13555: 13553: 13551: 13540: 13539: 13538: 13525: 13520: 13519: 13516: 13503:critical density 13482: 13480: 13479: 13474: 13468: 13463: 13451: 13449: 13448: 13445: 13439: 13438: 13437: 13434: 13424: 13413: 13409: 13407: 13406: 13401: 13387: 13385: 13384: 13379: 13374: 13373: 13361: 13356: 13348: 13337: 13336: 13334: 13333: 13328: 13325: 13317: 13315: 13314: 13311: 13308: 13296: 13292: 13290: 13289: 13286: 13283: 13273: 13271: 13270: 13267: 13264: 13252: 13204: 13202: 13201: 13198: 13195: 13188: 13186: 13185: 13182: 13179: 13172: 13163: 13151: 13144: 13140: 13136: 13132: 13128: 13126: 13125: 13120: 13118: 13117: 13108: 13100: 13095: 13093: 13092: 13091: 13081: 13077: 13076: 13075: 13064: 13062: 13054: 13049: 13044: 13036: 13034: 13026: 12997: 12995: 12994: 12989: 12987: 12986: 12973: 12972: 12959: 12958: 12945: 12937: 12935: 12934: 12922: 12921: 12906: 12904: 12903: 12902: 12886: 12881: 12880: 12869: 12861: 12859: 12858: 12853: 12851: 12850: 12834: 12832: 12831: 12826: 12824: 12823: 12810: 12809: 12796: 12795: 12782: 12774: 12772: 12771: 12762: 12761: 12746: 12745: 12731: 12723: 12721: 12720: 12715: 12704: 12703: 12688: 12687: 12673: 12662: 12660: 12659: 12654: 12647: 12639: 12637: 12636: 12631: 12629: 12628: 12617: 12609: 12607: 12606: 12601: 12594: 12586: 12584: 12583: 12578: 12571: 12561: 12559: 12558: 12553: 12548: 12546: 12544: 12543: 12539: 12538: 12536: 12535: 12517: 12515: 12507: 12497: 12496: 12486: 12481: 12472: 12471: 12461: 12460: 12459: 12450: 12449: 12430: 12422: 12414: 12413: 12412: 12379: 12375: 12373: 12372: 12369: 12366: 12359: 12349: 12340: 12336: 12320:where the value 12317: 12315: 12314: 12309: 12301: 12300: 12295: 12286: 12285: 12280: 12270: 12265: 12241: 12237: 12236: 12197: 12186: 12184: 12183: 12178: 12173: 12171: 12170: 12169: 12156: 12138: 12134: 12130: 12124: 12123: 12121: 12120: 12115: 12112: 12102: 12096: 12092: 12088: 12077: 12075: 12074: 12069: 12064: 12060: 12059: 12057: 12056: 12047: 12046: 12045: 12036: 12035: 12025: 12020: 12019: 12010: 12009: 12000: 11999: 11982: 11981: 11969: 11965: 11964: 11962: 11961: 11960: 11947: 11946: 11937: 11932: 11927: 11926: 11925: 11916: 11915: 11905: 11895: 11894: 11869: 11858: 11856: 11855: 11850: 11845: 11844: 11835: 11834: 11822: 11821: 11812: 11811: 11799: 11798: 11789: 11788: 11779: 11778: 11766: 11765: 11756: 11755: 11740: 11739: 11718: 11709: 11703: 11697: 11694:of the "fluid", 11689: 11681: 11673: 11667: 11665: 11664: 11659: 11654: 11653: 11637: 11636: 11621: 11620: 11605: 11604: 11589: 11588: 11587: 11574: 11573: 11572: 11535: 11534: 11524: 11522: 11514: 11513: 11512: 11499: 11497: 11496: 11487: 11486: 11474: 11472: 11471: 11470: 11457: 11453: 11452: 11442: 11440: 11432: 11409: 11407: 11406: 11401: 11377: 11376: 11368: 11361: 11342: 11339: 11336: 11335: 11319: 11298: 11297: 11281: 11235: 11233: 11232: 11227: 11225: 11224: 11215: 11214: 11183: 11181: 11180: 11175: 11173: 11172: 11163: 11162: 11144: 11139: 11134: 11129: 11110: 11098: 11096: 11095: 11090: 11084: 11079: 11058: 11057: 11034: 11032: 11031: 11026: 11024: 11023: 11014: 11011: 10996: 10991: 10972: 10970: 10969: 10964: 10962: 10959: 10957: 10956: 10934: 10932: 10931: 10926: 10924: 10923: 10914: 10913: 10891: 10889: 10888: 10883: 10865: 10863: 10862: 10857: 10855: 10854: 10832: 10830: 10829: 10824: 10822: 10820: 10816: 10808: 10796: 10792: 10791: 10775: 10754: 10752: 10751: 10746: 10744: 10739: 10738: 10737: 10728: 10727: 10714: 10712: 10704: 10680: 10678: 10677: 10672: 10651: 10649: 10648: 10643: 10638: 10633: 10628: 10620: 10619: 10607: 10606: 10597: 10589: 10561: 10559: 10558: 10553: 10548: 10547: 10546: 10530: 10525: 10516: 10501: 10500: 10466: 10464: 10463: 10458: 10456: 10454: 10453: 10438: 10437: 10436: 10423: 10420: 10389: 10387: 10386: 10381: 10376: 10375: 10357: 10349: 10328: 10326: 10325: 10320: 10308: 10306: 10305: 10300: 10268: 10266: 10265: 10260: 10233: 10231: 10230: 10225: 10217: 10209: 10195: 10194: 10182: 10174: 10147: 10145: 10144: 10139: 10107: 10084: 10076: 10075: 10067: 10050: 10048: 10047: 10042: 10034: 10026: 10025: 10017: 10011: 10003: 9998: 9997: 9991: 9990: 9985: 9976: 9975: 9970: 9963: 9954: 9953: 9947: 9939: 9915: 9913: 9912: 9907: 9905: 9904: 9896: 9886: 9884: 9883: 9878: 9867: 9866: 9858: 9849: 9826: 9824: 9823: 9818: 9816: 9815: 9809: 9807: 9803: 9802: 9789: 9784: 9768: 9760: 9737: 9734: 9733: 9732: 9723: 9722: 9709: 9704: 9692: 9691: 9679: 9678: 9669: 9668: 9658: 9657: 9648: 9647: 9619: 9617: 9616: 9611: 9609: 9604: 9593: 9569: 9567: 9566: 9561: 9558: 9555: 9553: 9548: 9528: 9527: 9519: 9505: 9503:power dissipated 9502: 9500: 9495: 9491: 9490: 9482: 9475: 9474: 9466: 9446: 9444: 9443: 9438: 9436: 9431: 9423: 9418: 9417: 9401: 9399: 9398: 9393: 9385: 9384: 9371: 9366: 9323: 9321: 9320: 9315: 9277: 9276: 9268: 9232: 9231: 9223: 9220: 9219: 9211: 9192: 9190: 9189: 9184: 9172: 9170: 9169: 9164: 9152: 9150: 9149: 9144: 9100: 9098: 9097: 9092: 9089: 9087:external driving 9086: 9084: 9079: 9049: 9046: 9044: 9039: 9038: 9036: 9028: 9020: 9007: 9004: 9002: 8997: 8979: 8976: 8974: 8968: 8967: 8966: 8953: 8949: 8948: 8938: 8922: 8920: 8919: 8914: 8902: 8900: 8899: 8894: 8882: 8880: 8879: 8874: 8845:, driving force 8844: 8842: 8841: 8836: 8824: 8822: 8821: 8816: 8796: 8794: 8793: 8788: 8777: 8769: 8741: 8739: 8738: 8733: 8722: 8714: 8693: 8691: 8690: 8685: 8683: 8682: 8645: 8643: 8642: 8637: 8631: 8627: 8609: 8607: 8603: 8602: 8601: 8578: 8574: 8573: 8572: 8549: 8540: 8538: 8537: 8532: 8526: 8525: 8520: 8516: 8515: 8514: 8505: 8501: 8499: 8498: 8497: 8484: 8477: 8476: 8466: 8459: 8454: 8430: 8429: 8424: 8420: 8419: 8418: 8409: 8405: 8400: 8399: 8396: 8391: 8376: 8367: 8360: 8355: 8331: 8330: 8325: 8321: 8320: 8319: 8298: 8290: 8281: 8277: 8253: 8251: 8250: 8245: 8240: 8236: 8234: 8226: 8215: 8208: 8205: 8199: 8195: 8190: 8189: 8187: 8186: 8171: 8162: 8149: 8147: 8146: 8141: 8139: 8128: 8124: 8122: 8102: 8101: 8100: 8087: 8075: 8071: 8070: 8058: 8057: 8045: 8037: 8029: 8022: 8005: 8000: 7992: 7983: 7975: 7970: 7962: 7949: 7948: 7946: 7945: 7940: 7937: 7923: 7921: 7920: 7915: 7913: 7910: 7908: 7907: 7898: 7897: 7888: 7880: 7876: 7856: 7852: 7838: 7830: 7828: 7827: 7824: 7821: 7803: 7796: 7792: 7789: 7783: 7752: 7744: 7736: 7734: 7733: 7728: 7695: 7694: 7693: 7692: 7687: 7663: 7662: 7657: 7636: 7631: 7630: 7629: 7628: 7623: 7612: 7608: 7603: 7592: 7579: 7577: 7576: 7571: 7556:in the sense of 7555: 7553: 7552: 7547: 7524: 7523: 7504: 7502: 7501: 7496: 7491: 7473: 7472: 7467: 7458: 7457: 7417: 7416: 7411: 7402: 7401: 7376: 7375: 7370: 7360: 7355: 7354: 7325: 7323: 7322: 7317: 7295: 7290: 7256: 7254: 7253: 7248: 7221: 7219: 7218: 7213: 7186:, also known as 7167: 7160: 7156: 7153: 7147: 7116: 7108: 7100: 7098: 7097: 7092: 7085: 7084: 7080: 7079: 7077: 7076: 7075: 7062: 7054: 7052: 7051: 7036: 6999: 6998: 6996: 6994: 6993: 6988: 6985: 6969: 6968: 6966: 6965: 6960: 6957: 6947: 6945: 6944: 6939: 6937: 6935: 6926: 6921: 6912: 6909: 6887: 6885: 6884: 6879: 6877: 6875: 6874: 6873: 6860: 6852: 6850: 6849: 6839: 6803: 6795: 6786: 6784: 6783: 6778: 6776: 6775: 6766: 6765: 6755: 6731: 6729: 6728: 6723: 6716: 6715: 6709: 6704: 6695: 6684: 6682: 6681: 6680: 6667: 6659: 6657: 6656: 6638: 6637: 6625: 6624: 6600: 6599: 6581: 6580: 6565: 6564: 6555: 6554: 6529: 6525: 6523: 6522: 6517: 6515: 6513: 6512: 6511: 6495: 6481: 6480: 6464: 6455: 6453: 6452: 6447: 6445: 6443: 6434: 6429: 6420: 6417: 6405: 6404: 6395: 6394: 6382: 6381: 6336:ensemble average 6305: 6303: 6302: 6297: 6292: 6291: 6282: 6281: 6278: 6269: 6261: 6253: 6252: 6230: 6220: 6218: 6217: 6212: 6207: 6206: 6197: 6196: 6193: 6184: 6176: 6171: 6170: 6161: 6160: 6155: 6146: 6145: 6140: 6130: 6125: 6110: 6102: 6094: 6093: 6069: 6062: 6056: 6054: 6053: 6048: 6040: 6035: 6034: 6033: 6021: 6020: 6010: 6007: 5989: 5985: 5980: 5951: 5944: 5926: 5922: 5921: 5916: 5912: 5910: 5902: 5901: 5900: 5899: 5873: 5861: 5837: 5833: 5824: 5815: 5809: 5802: 5800: 5798: 5797: 5792: 5789: 5775: 5773: 5772: 5767: 5762: 5761: 5756: 5752: 5751: 5750: 5745: 5736: 5735: 5730: 5717: 5712: 5691: 5690: 5685: 5663: 5656: 5654: 5652: 5651: 5646: 5643: 5625: 5623: 5622: 5617: 5612: 5611: 5606: 5602: 5601: 5600: 5595: 5586: 5585: 5580: 5567: 5562: 5544: 5543: 5538: 5520: 5519: 5514: 5510: 5508: 5500: 5492: 5478: 5476: 5475: 5470: 5465: 5460: 5431: 5418: 5404: 5386: 5378: 5366: 5364: 5356: 5348: 5345: 5340: 5331: 5323: 5318: 5317: 5312: 5308: 5306: 5298: 5290: 5277:, is defined as 5276: 5261:and extended by 5256: 5254: 5253: 5248: 5246: 5245: 5242: 5224: 5222: 5221: 5220: 5207: 5203: 5202: 5192: 5190: 5182: 5177: 5175: 5167: 5159: 5147: 5141: 5139: 5138: 5133: 5127: 5126: 5123: 5102: 5101: 5096: 5087: 5086: 5081: 5074: 5069: 5042: 5040: 5032: 5024: 5013: 5011: 5010: 5005: 4999: 4998: 4985: 4969: 4964: 4946: 4945: 4942: 4929: 4920: 4918: 4917: 4912: 4910: 4906: 4905: 4902: 4895: 4887: 4882: 4881: 4865: 4849: 4844: 4828: 4820: 4812: 4808: 4807: 4794: 4783: 4764: 4748: 4743: 4727: 4719: 4711: 4707: 4706: 4694: 4692: 4691: 4690: 4674: 4673: 4672: 4656: 4653: 4637: 4632: 4616: 4608: 4599: 4598: 4593: 4584: 4583: 4578: 4571: 4566: 4550: 4542: 4526: 4522: 4518: 4516: 4515: 4510: 4504: 4499: 4481: 4480: 4462: 4455: 4451: 4440: 4438: 4437: 4432: 4427: 4426: 4414: 4412: 4411: 4410: 4394: 4393: 4392: 4376: 4373: 4362: 4346: 4341: 4314: 4313: 4308: 4299: 4298: 4293: 4286: 4281: 4254: 4252: 4244: 4236: 4225: 4223: 4222: 4217: 4215: 4208: 4207: 4195: 4193: 4192: 4191: 4175: 4174: 4173: 4157: 4154: 4143: 4127: 4122: 4098: 4094: 4092: 4091: 4079: 4078: 4077: 4072: 4066: 4065: 4060: 4051: 4050: 4045: 4039: 4033: 4031: 4029: 4028: 4027: 4011: 4010: 4009: 3993: 3990: 3979: 3963: 3958: 3934: 3930: 3926: 3925: 3924: 3919: 3910: 3909: 3904: 3890: 3889: 3881: 3874: 3863: 3847: 3842: 3820: 3819: 3814: 3805: 3804: 3799: 3792: 3787: 3759: 3755: 3751: 3700: 3698: 3697: 3692: 3687: 3683: 3681: 3680: 3668: 3667: 3666: 3661: 3652: 3651: 3646: 3639: 3633: 3631: 3630: 3629: 3613: 3612: 3611: 3595: 3587: 3586: 3574: 3573: 3572: 3571: 3566: 3549: 3548: 3540: 3525: 3521: 3517: 3506: 3492: 3468: 3466: 3465: 3460: 3458: 3454: 3450: 3449: 3448: 3443: 3434: 3433: 3428: 3414: 3413: 3405: 3398: 3387: 3371: 3366: 3348: 3344: 3343: 3342: 3337: 3328: 3327: 3319: 3310: 3309: 3304: 3295: 3294: 3286: 3274: 3263: 3247: 3242: 3221: 3217: 3213: 3212: 3211: 3206: 3197: 3196: 3188: 3179: 3178: 3173: 3164: 3163: 3155: 3143: 3132: 3116: 3111: 3093: 3092: 3087: 3078: 3077: 3069: 3062: 3057: 3041: 3036: 3014: 3013: 3008: 2999: 2998: 2993: 2986: 2981: 2955: 2944: 2930: 2928: 2927: 2922: 2916: 2915: 2910: 2901: 2900: 2892: 2885: 2880: 2864: 2859: 2843: 2835: 2827: 2826: 2821: 2812: 2811: 2806: 2799: 2794: 2778: 2770: 2758: 2754: 2750: 2739: 2737: 2736: 2731: 2729: 2728: 2720: 2713: 2708: 2690: 2689: 2684: 2671: 2667: 2663: 2653:The total force 2645: 2643: 2642: 2637: 2632: 2630: 2622: 2621: 2620: 2615: 2605: 2600: 2598: 2590: 2589: 2588: 2583: 2573: 2571: 2570: 2560: 2555: 2540: 2532: 2526: 2521: 2512: 2511: 2501: 2496: 2481: 2473: 2458: 2457: 2455: 2454: 2449: 2446: 2415: 2411: 2410: 2408: 2407: 2402: 2399: 2372: 2368: 2357: 2355: 2354: 2349: 2347: 2343: 2342: 2337: 2328: 2327: 2322: 2315: 2310: 2280: 2276: 2275: 2270: 2261: 2260: 2255: 2248: 2243: 2225: 2223: 2215: 2214: 2213: 2208: 2198: 2193: 2191: 2183: 2182: 2181: 2176: 2166: 2164: 2163: 2153: 2148: 2127: 2123: 2122: 2117: 2108: 2106: 2098: 2097: 2096: 2091: 2081: 2078: 2073: 2055: 2053: 2045: 2044: 2043: 2038: 2028: 2023: 2022: 2017: 2010: 2005: 1983: 1981: 1973: 1965: 1952: 1948: 1946: 1945: 1940: 1938: 1924: 1923: 1918: 1909: 1908: 1903: 1896: 1891: 1870: 1866: 1865: 1860: 1851: 1849: 1841: 1840: 1839: 1834: 1824: 1821: 1820: 1810: 1805: 1784: 1780: 1779: 1774: 1765: 1764: 1759: 1753: 1752: 1742: 1737: 1722: 1720: 1709: 1707: 1699: 1690: 1688: 1680: 1672: 1670: 1662: 1649: 1645: 1634: 1623: 1621: 1620: 1615: 1613: 1612: 1607: 1598: 1597: 1592: 1585: 1580: 1552: 1548: 1546: 1525: 1521: 1510: 1499: 1497: 1496: 1491: 1488: 1483: 1474: 1473: 1463: 1458: 1440: 1439: 1434: 1430: 1429: 1424: 1413: 1412: 1402: 1397: 1365: 1355: 1340: 1326: 1312: 1310: 1309: 1304: 1287: 1286: 1265: 1260: 1259: 1258: 1245: 1207: 1199: 1191: 1190: 1184: 1183: 1178: 1169: 1168: 1163: 1157: 1156: 1149: 1144: 1129: 1121: 1109: 1091: 1041: 1037: 1012: 998: 996: 995: 990: 985: 984: 963: 959: 958: 957: 952: 937: 936: 931: 925: 917: 909: 904: 903: 898: 883: 882: 877: 871: 863: 855: 847: 846: 845: 835: 834: 833: 819: 817: 816: 815: 803: 802: 789: 778: 777: 772: 768: 758: 757: 752: 740: 739: 730: 722: 719: 714: 698: 697: 696: 686: 685: 684: 670: 668: 667: 666: 654: 653: 640: 617: 608: 599: 595: 591: 566: 552: 527: 513: 509: 505: 422: 420: 419: 416: 413: 390:equals −1. 389: 385: 374: 365: 361: 350: 349: 337: 333: 332: 321: 319: 318: 313: 305: 304: 301: 267: 260: 256: 242:potential energy 193: 182: 174: 163: 159: 153: 151: 150: 145: 143: 142: 136: 135: 130: 121: 120: 115: 109: 108: 101: 96: 80: 72: 64: 41:potential energy 14990: 14989: 14985: 14984: 14983: 14981: 14980: 14979: 14965:Solid mechanics 14945: 14944: 14927: 14880: 14851: 14835: 14833:Further reading 14830: 14829: 14822: 14806: 14802: 14795: 14779: 14775: 14746: 14742: 14681: 14677: 14628: 14624: 14613: 14609: 14578: 14574: 14567: 14553: 14549: 14520: 14516: 14482: 14478: 14438: 14434: 14407:Physical Review 14403: 14399: 14362: 14358: 14347:Poincaré, Henri 14344: 14340: 14327: 14323: 14292: 14288: 14227: 14223: 14178: 14174: 14147: 14140: 14131: 14129: 14120: 14119: 14115: 14100:10.1119/1.14723 14072: 14065: 14022: 14018: 13989:(11): 855–858. 13979: 13975: 13960: 13943: 13936: 13901:Bader, R. F. W. 13898: 13894: 13887: 13863: 13859: 13836: 13832: 13827: 13775: 13766: 13754: 13730: 13726: 13714: 13709: 13692: 13683: 13679: 13670: 13666: 13664: 13661: 13660: 13640: 13636: 13608: 13604: 13595: 13591: 13589: 13586: 13585: 13573: 13565: 13541: 13534: 13530: 13526: 13524: 13515: 13511: 13509: 13506: 13505: 13464: 13459: 13444: 13440: 13433: 13429: 13425: 13423: 13421: 13418: 13417: 13411: 13395: 13392: 13391: 13369: 13365: 13349: 13347: 13345: 13342: 13341: 13329: 13326: 13321: 13320: 13318: 13312: 13309: 13306: 13305: 13303: 13298: 13287: 13284: 13281: 13280: 13278: 13268: 13265: 13262: 13261: 13259: 13254: 13250: 13217: 13211: 13199: 13196: 13193: 13192: 13190: 13183: 13180: 13177: 13176: 13174: 13171: 13165: 13162: 13156: 13149: 13142: 13138: 13134: 13130: 13113: 13109: 13099: 13087: 13086: 13082: 13071: 13070: 13066: 13065: 13063: 13053: 13037: 13035: 13025: 13023: 13020: 13019: 13004: 13002:In astrophysics 12982: 12978: 12968: 12964: 12954: 12950: 12936: 12927: 12923: 12914: 12910: 12898: 12894: 12890: 12885: 12876: 12872: 12867: 12864: 12863: 12846: 12842: 12840: 12837: 12836: 12819: 12815: 12805: 12801: 12791: 12787: 12773: 12767: 12763: 12757: 12753: 12738: 12734: 12729: 12726: 12725: 12699: 12695: 12680: 12676: 12671: 12668: 12667: 12645: 12642: 12641: 12624: 12620: 12615: 12612: 12611: 12592: 12589: 12588: 12569: 12566: 12565: 12531: 12527: 12516: 12506: 12505: 12501: 12492: 12488: 12482: 12477: 12467: 12463: 12462: 12455: 12451: 12445: 12441: 12431: 12429: 12421: 12402: 12401: 12397: 12395: 12392: 12391: 12377: 12370: 12367: 12364: 12363: 12361: 12356: 12351: 12347: 12342: 12338: 12333: 12326: 12321: 12296: 12291: 12290: 12281: 12276: 12275: 12266: 12255: 12232: 12228: 12224: 12222: 12219: 12218: 12212: 12196: 12190: 12165: 12164: 12160: 12155: 12146: 12143: 12142: 12136: 12132: 12126: 12116: 12113: 12108: 12107: 12105: 12104: 12098: 12094: 12090: 12086: 12052: 12048: 12041: 12037: 12031: 12027: 12026: 12024: 12015: 12011: 12005: 12001: 11995: 11991: 11990: 11986: 11974: 11970: 11956: 11952: 11948: 11942: 11938: 11936: 11921: 11917: 11911: 11907: 11906: 11904: 11903: 11899: 11887: 11883: 11881: 11878: 11877: 11867: 11862: 11840: 11836: 11830: 11826: 11817: 11813: 11807: 11803: 11794: 11790: 11784: 11780: 11774: 11770: 11761: 11757: 11751: 11747: 11732: 11728: 11726: 11723: 11722: 11716: 11711: 11705: 11699: 11695: 11687: 11679: 11671: 11649: 11645: 11629: 11625: 11613: 11609: 11600: 11596: 11583: 11582: 11578: 11568: 11567: 11563: 11530: 11526: 11515: 11508: 11504: 11500: 11498: 11492: 11488: 11482: 11478: 11466: 11462: 11458: 11448: 11444: 11443: 11441: 11431: 11429: 11426: 11425: 11420: 11369: 11364: 11363: 11348: 11338: 11331: 11327: 11306: 11293: 11289: 11268: 11259: 11256: 11255: 11242: 11240:Generalizations 11220: 11216: 11210: 11206: 11189: 11186: 11185: 11168: 11164: 11158: 11154: 11130: 11125: 11111: 11109: 11107: 11104: 11103: 11080: 11075: 11053: 11049: 11044: 11041: 11040: 11019: 11015: 11010: 10992: 10987: 10978: 10975: 10974: 10958: 10952: 10948: 10940: 10937: 10936: 10919: 10915: 10909: 10905: 10897: 10894: 10893: 10871: 10868: 10867: 10850: 10847: 10845: 10842: 10841: 10838: 10807: 10797: 10787: 10783: 10776: 10774: 10763: 10760: 10759: 10733: 10729: 10723: 10719: 10715: 10713: 10703: 10686: 10683: 10682: 10660: 10657: 10656: 10634: 10629: 10624: 10615: 10611: 10602: 10598: 10588: 10571: 10568: 10567: 10536: 10532: 10531: 10526: 10521: 10506: 10496: 10492: 10472: 10469: 10468: 10443: 10439: 10432: 10428: 10424: 10422: 10410: 10395: 10392: 10391: 10371: 10367: 10348: 10334: 10331: 10330: 10314: 10311: 10310: 10294: 10291: 10290: 10287: 10275: 10239: 10236: 10235: 10208: 10190: 10186: 10173: 10153: 10150: 10149: 10103: 10080: 10066: 10065: 10060: 10057: 10056: 10030: 10016: 10015: 10002: 9993: 9992: 9986: 9981: 9980: 9971: 9966: 9965: 9959: 9949: 9948: 9938: 9921: 9918: 9917: 9895: 9894: 9892: 9889: 9888: 9857: 9856: 9845: 9840: 9837: 9836: 9833: 9811: 9810: 9798: 9794: 9785: 9780: 9769: 9761: 9759: 9751: 9739: 9738: 9728: 9724: 9718: 9714: 9705: 9700: 9687: 9683: 9674: 9670: 9664: 9660: 9659: 9653: 9649: 9646: 9641: 9631: 9630: 9628: 9625: 9624: 9594: 9592: 9575: 9572: 9571: 9554: 9518: 9517: 9513: 9511: 9501: 9481: 9480: 9465: 9464: 9460: 9458: 9455: 9452: 9451: 9427: 9422: 9413: 9409: 9407: 9404: 9403: 9380: 9376: 9367: 9362: 9329: 9326: 9325: 9267: 9266: 9222: 9221: 9210: 9209: 9201: 9198: 9197: 9178: 9175: 9174: 9158: 9155: 9154: 9108: 9105: 9104: 9085: 9054: 9052: 9045: 9029: 9021: 9019: 9012: 9010: 9003: 8987: 8985: 8975: 8962: 8958: 8954: 8944: 8940: 8939: 8936: 8930: 8927: 8926: 8908: 8905: 8904: 8888: 8885: 8884: 8850: 8847: 8846: 8830: 8827: 8826: 8810: 8807: 8806: 8803: 8768: 8751: 8748: 8747: 8713: 8699: 8696: 8695: 8678: 8674: 8666: 8663: 8662: 8652: 8617: 8613: 8591: 8590: 8586: 8579: 8562: 8561: 8557: 8550: 8548: 8546: 8543: 8542: 8521: 8510: 8506: 8493: 8489: 8485: 8472: 8468: 8467: 8465: 8461: 8455: 8444: 8439: 8435: 8434: 8425: 8414: 8410: 8392: 8387: 8375: 8368: 8366: 8362: 8356: 8345: 8340: 8336: 8335: 8326: 8309: 8308: 8304: 8300: 8299: 8289: 8287: 8284: 8283: 8279: 8276: 8267: 8259: 8227: 8216: 8214: 8210: 8204: 8182: 8178: 8170: 8163: 8161: 8157: 8155: 8152: 8151: 8137: 8136: 8103: 8096: 8092: 8088: 8086: 8082: 8073: 8072: 8066: 8062: 8053: 8049: 8036: 8027: 8026: 8018: 8001: 7991: 7984: 7979: 7971: 7961: 7957: 7955: 7952: 7951: 7941: 7938: 7933: 7932: 7930: 7925: 7903: 7899: 7893: 7889: 7887: 7875: 7867: 7864: 7863: 7854: 7840: 7825: 7822: 7819: 7818: 7816: 7811: 7804: 7793: 7787: 7784: 7769: 7753: 7742: 7688: 7683: 7682: 7681: 7677: 7658: 7653: 7652: 7632: 7624: 7619: 7618: 7617: 7613: 7593: 7591: 7587: 7585: 7582: 7581: 7565: 7562: 7561: 7519: 7515: 7510: 7507: 7506: 7487: 7468: 7463: 7462: 7453: 7449: 7412: 7407: 7406: 7397: 7393: 7371: 7366: 7365: 7356: 7344: 7343: 7331: 7328: 7327: 7291: 7286: 7265: 7262: 7261: 7227: 7224: 7223: 7198: 7195: 7194: 7168: 7157: 7151: 7148: 7133: 7117: 7106: 7071: 7067: 7063: 7055: 7053: 7047: 7043: 7042: 7038: 7032: 7011: 7008: 7007: 6989: 6986: 6981: 6980: 6978: 6976: 6975: 6961: 6958: 6953: 6952: 6950: 6949: 6928: 6922: 6917: 6911: 6905: 6893: 6890: 6889: 6869: 6865: 6861: 6853: 6851: 6845: 6841: 6835: 6794: 6792: 6789: 6788: 6771: 6767: 6761: 6757: 6751: 6739: 6736: 6735: 6705: 6700: 6694: 6676: 6672: 6668: 6660: 6658: 6652: 6648: 6633: 6629: 6620: 6616: 6595: 6591: 6576: 6572: 6560: 6556: 6550: 6546: 6535: 6532: 6531: 6527: 6507: 6503: 6499: 6494: 6476: 6472: 6470: 6467: 6466: 6462: 6457: 6436: 6430: 6425: 6419: 6413: 6400: 6399: 6390: 6386: 6377: 6376: 6365: 6362: 6361: 6344: 6321:galaxy clusters 6287: 6283: 6277: 6273: 6260: 6248: 6244: 6236: 6233: 6232: 6228: 6202: 6198: 6192: 6188: 6175: 6166: 6162: 6156: 6151: 6150: 6141: 6136: 6135: 6126: 6115: 6101: 6089: 6085: 6077: 6074: 6073: 6067: 6060: 6029: 6025: 6016: 6012: 6011: 6009: 5997: 5952: 5950: 5946: 5934: 5917: 5903: 5883: 5882: 5878: 5874: 5872: 5868: 5867: 5863: 5851: 5845: 5842: 5841: 5835: 5832: 5826: 5823: 5817: 5811: 5807: 5793: 5790: 5785: 5784: 5782: 5780: 5779: 5757: 5746: 5741: 5740: 5731: 5726: 5725: 5724: 5720: 5719: 5713: 5702: 5686: 5675: 5674: 5669: 5666: 5665: 5661: 5647: 5644: 5639: 5638: 5636: 5634: 5633: 5632:states that if 5607: 5596: 5591: 5590: 5581: 5576: 5575: 5574: 5570: 5569: 5563: 5552: 5539: 5528: 5527: 5515: 5501: 5493: 5491: 5487: 5486: 5484: 5481: 5480: 5432: 5430: 5405: 5391: 5377: 5357: 5349: 5347: 5341: 5336: 5322: 5313: 5299: 5291: 5289: 5285: 5284: 5282: 5279: 5278: 5274: 5271: 5241: 5237: 5216: 5212: 5208: 5198: 5194: 5193: 5191: 5181: 5168: 5160: 5158: 5156: 5153: 5152: 5145: 5122: 5118: 5097: 5092: 5091: 5082: 5077: 5076: 5070: 5059: 5033: 5025: 5023: 5021: 5018: 5017: 4991: 4987: 4975: 4965: 4954: 4941: 4937: 4935: 4932: 4931: 4928: 4922: 4908: 4907: 4901: 4897: 4886: 4874: 4870: 4855: 4845: 4834: 4819: 4810: 4809: 4800: 4796: 4784: 4776: 4754: 4744: 4733: 4718: 4709: 4708: 4699: 4695: 4683: 4679: 4675: 4665: 4661: 4657: 4655: 4643: 4633: 4622: 4607: 4600: 4594: 4589: 4588: 4579: 4574: 4573: 4567: 4556: 4541: 4534: 4532: 4529: 4528: 4524: 4520: 4500: 4492: 4473: 4469: 4467: 4464: 4463: 4461: 4457: 4453: 4449: 4446: 4419: 4415: 4403: 4399: 4395: 4385: 4381: 4377: 4375: 4363: 4352: 4342: 4331: 4309: 4304: 4303: 4294: 4289: 4288: 4282: 4271: 4245: 4237: 4235: 4233: 4230: 4229: 4213: 4212: 4200: 4196: 4184: 4180: 4176: 4166: 4162: 4158: 4156: 4144: 4133: 4123: 4112: 4096: 4095: 4084: 4080: 4073: 4068: 4067: 4061: 4056: 4055: 4046: 4041: 4040: 4035: 4034: 4032: 4020: 4016: 4012: 4002: 3998: 3994: 3992: 3980: 3969: 3959: 3948: 3932: 3931: 3920: 3915: 3914: 3905: 3900: 3899: 3898: 3894: 3882: 3877: 3876: 3864: 3853: 3843: 3832: 3821: 3815: 3810: 3809: 3800: 3795: 3794: 3788: 3777: 3769: 3767: 3764: 3763: 3757: 3753: 3750: 3742: 3741: 3731: 3723: 3722: 3712: 3704: 3673: 3669: 3662: 3657: 3656: 3647: 3642: 3641: 3640: 3638: 3634: 3622: 3618: 3614: 3604: 3600: 3596: 3594: 3579: 3575: 3567: 3562: 3561: 3560: 3556: 3541: 3536: 3535: 3533: 3530: 3529: 3523: 3519: 3516: 3508: 3505: 3497: 3491: 3482: 3474: 3456: 3455: 3444: 3439: 3438: 3429: 3424: 3423: 3422: 3418: 3406: 3401: 3400: 3388: 3377: 3367: 3356: 3338: 3333: 3332: 3320: 3315: 3314: 3305: 3300: 3299: 3287: 3282: 3281: 3280: 3276: 3264: 3253: 3243: 3232: 3219: 3218: 3207: 3202: 3201: 3189: 3184: 3183: 3174: 3169: 3168: 3156: 3151: 3150: 3149: 3145: 3133: 3122: 3112: 3101: 3088: 3083: 3082: 3070: 3065: 3064: 3058: 3047: 3037: 3026: 3015: 3009: 3004: 3003: 2994: 2989: 2988: 2982: 2971: 2963: 2961: 2958: 2957: 2946: 2942: 2934: 2911: 2906: 2905: 2893: 2888: 2887: 2881: 2870: 2860: 2849: 2834: 2822: 2817: 2816: 2807: 2802: 2801: 2795: 2784: 2769: 2764: 2761: 2760: 2756: 2752: 2749: 2741: 2721: 2716: 2715: 2709: 2698: 2685: 2680: 2679: 2677: 2674: 2673: 2669: 2665: 2662: 2654: 2651: 2623: 2616: 2611: 2610: 2606: 2604: 2591: 2584: 2579: 2578: 2574: 2572: 2566: 2562: 2556: 2545: 2531: 2522: 2517: 2507: 2503: 2497: 2486: 2472: 2464: 2461: 2460: 2450: 2447: 2445: 2434: 2433: 2431: 2429: 2421: 2413: 2403: 2400: 2398: 2387: 2386: 2384: 2382: 2374: 2370: 2367: 2359: 2345: 2344: 2338: 2333: 2332: 2323: 2318: 2317: 2311: 2300: 2278: 2277: 2271: 2266: 2265: 2256: 2251: 2250: 2244: 2233: 2216: 2209: 2204: 2203: 2199: 2197: 2184: 2177: 2172: 2171: 2167: 2165: 2159: 2155: 2149: 2138: 2125: 2124: 2118: 2113: 2112: 2099: 2092: 2087: 2086: 2082: 2080: 2074: 2063: 2046: 2039: 2034: 2033: 2029: 2027: 2018: 2013: 2012: 2006: 1995: 1984: 1974: 1966: 1964: 1960: 1958: 1955: 1954: 1953:can be written 1950: 1936: 1935: 1919: 1914: 1913: 1904: 1899: 1898: 1892: 1881: 1868: 1867: 1861: 1856: 1855: 1842: 1835: 1830: 1829: 1825: 1823: 1816: 1812: 1806: 1795: 1782: 1781: 1775: 1770: 1769: 1760: 1755: 1754: 1748: 1744: 1738: 1727: 1713: 1708: 1698: 1691: 1681: 1673: 1671: 1661: 1657: 1655: 1652: 1651: 1647: 1643: 1633: 1625: 1608: 1603: 1602: 1593: 1588: 1587: 1581: 1570: 1558: 1555: 1554: 1550: 1545: 1537: 1535: 1527: 1523: 1520: 1512: 1509: 1501: 1484: 1479: 1469: 1465: 1459: 1448: 1435: 1425: 1420: 1419: 1415: 1414: 1408: 1404: 1398: 1387: 1375: 1372: 1371: 1363: 1353: 1347: 1334: 1328: 1320: 1314: 1282: 1278: 1254: 1250: 1246: 1244: 1198: 1186: 1185: 1179: 1174: 1173: 1164: 1159: 1158: 1152: 1151: 1145: 1134: 1120: 1115: 1112: 1111: 1097: 1092:. Applying the 1082: 1071: 1060: 1049: 1043: 1039: 1031: 1020: 1014: 1006: 1000: 980: 976: 953: 948: 947: 932: 927: 926: 921: 908: 899: 894: 893: 878: 873: 872: 867: 854: 853: 849: 841: 837: 836: 829: 825: 824: 811: 807: 798: 794: 793: 788: 773: 753: 748: 747: 746: 742: 741: 735: 731: 721: 715: 704: 692: 688: 687: 680: 676: 675: 662: 658: 649: 645: 644: 639: 625: 622: 621: 616: 610: 607: 601: 597: 593: 585: 574: 568: 560: 554: 546: 535: 529: 521: 515: 511: 507: 500: 497: 417: 414: 411: 410: 408: 400:Rudolf Clausius 396: 387: 376: 373: 367: 363: 352: 347: 340: 339: 335: 326: 325: 300: 296: 273: 270: 269: 265: 258: 244: 212:Rudolf Clausius 192: 184: 180: 175:represents the 173: 165: 161: 155: 138: 137: 131: 126: 125: 116: 111: 110: 104: 103: 97: 86: 71: 54: 52: 49: 48: 19:In statistical 17: 12: 11: 5: 14988: 14978: 14977: 14972: 14967: 14962: 14957: 14943: 14942: 14934: 14926: 14925:External links 14923: 14922: 14921: 14884: 14878: 14855: 14849: 14834: 14831: 14828: 14827: 14820: 14800: 14793: 14773: 14760:(2): 686–703. 14740: 14695:(3): 627–638. 14675: 14638:(2): 361–371. 14622: 14607: 14572: 14565: 14547: 14534:(5): 703–705. 14514: 14509:10.1086/145732 14476: 14470:10.1086/147456 14432: 14397: 14391:10.1086/144747 14356: 14338: 14321: 14286: 14221: 14207:10.1086/143864 14172: 14138: 14113: 14063: 14036:(4): 313–345. 14016: 13973: 13958: 13934: 13892: 13885: 13857: 13829: 13828: 13826: 13823: 13822: 13821: 13816: 13811: 13806: 13801: 13796: 13791: 13786: 13781: 13774: 13771: 13753: 13750: 13738: 13729: 13725: 13722: 13717: 13712: 13708: 13704: 13699: 13696: 13691: 13686: 13682: 13678: 13669: 13648: 13639: 13635: 13632: 13629: 13626: 13622: 13619: 13616: 13611: 13607: 13603: 13594: 13550: 13547: 13544: 13537: 13533: 13529: 13523: 13514: 13499:galaxy cluster 13472: 13467: 13462: 13458: 13454: 13443: 13432: 13428: 13399: 13377: 13372: 13368: 13364: 13359: 13355: 13352: 13213:Main article: 13210: 13207: 13169: 13160: 13116: 13112: 13106: 13103: 13098: 13090: 13085: 13080: 13074: 13069: 13060: 13057: 13052: 13047: 13043: 13040: 13032: 13029: 13016:thermal energy 13003: 13000: 12985: 12981: 12977: 12971: 12967: 12963: 12957: 12953: 12949: 12943: 12940: 12933: 12930: 12926: 12920: 12917: 12913: 12909: 12901: 12897: 12893: 12889: 12884: 12879: 12875: 12849: 12845: 12822: 12818: 12814: 12808: 12804: 12800: 12794: 12790: 12786: 12780: 12777: 12770: 12766: 12760: 12756: 12752: 12749: 12744: 12741: 12737: 12713: 12710: 12707: 12702: 12698: 12694: 12691: 12686: 12683: 12679: 12652: 12627: 12623: 12599: 12576: 12551: 12542: 12534: 12530: 12526: 12523: 12520: 12513: 12510: 12504: 12500: 12495: 12491: 12485: 12480: 12476: 12470: 12466: 12458: 12454: 12448: 12444: 12440: 12437: 12434: 12428: 12425: 12420: 12417: 12411: 12408: 12405: 12400: 12354: 12345: 12331: 12324: 12307: 12304: 12299: 12294: 12289: 12284: 12279: 12274: 12269: 12264: 12261: 12258: 12254: 12250: 12247: 12244: 12240: 12235: 12231: 12227: 12211: 12208: 12194: 12176: 12168: 12163: 12159: 12154: 12150: 12067: 12063: 12055: 12051: 12044: 12040: 12034: 12030: 12023: 12018: 12014: 12008: 12004: 11998: 11994: 11989: 11985: 11980: 11977: 11973: 11968: 11959: 11955: 11951: 11945: 11941: 11935: 11930: 11924: 11920: 11914: 11910: 11902: 11898: 11893: 11890: 11886: 11865: 11848: 11843: 11839: 11833: 11829: 11825: 11820: 11816: 11810: 11806: 11802: 11797: 11793: 11787: 11783: 11777: 11773: 11769: 11764: 11760: 11754: 11750: 11746: 11743: 11738: 11735: 11731: 11714: 11692:kinetic energy 11657: 11652: 11648: 11644: 11640: 11635: 11632: 11628: 11624: 11619: 11616: 11612: 11608: 11603: 11599: 11595: 11592: 11586: 11581: 11577: 11571: 11566: 11562: 11559: 11556: 11553: 11550: 11547: 11544: 11541: 11538: 11533: 11529: 11521: 11518: 11511: 11507: 11503: 11495: 11491: 11485: 11481: 11477: 11469: 11465: 11461: 11456: 11451: 11447: 11438: 11435: 11419: 11416: 11399: 11395: 11392: 11389: 11386: 11383: 11380: 11375: 11372: 11367: 11360: 11357: 11354: 11351: 11347: 11340:if and only if 11334: 11330: 11326: 11323: 11318: 11315: 11312: 11309: 11305: 11301: 11296: 11292: 11288: 11285: 11280: 11277: 11274: 11271: 11267: 11263: 11246:Henri Poincaré 11241: 11238: 11223: 11219: 11213: 11209: 11205: 11202: 11199: 11196: 11193: 11171: 11167: 11161: 11157: 11153: 11150: 11147: 11142: 11138: 11133: 11128: 11124: 11120: 11117: 11114: 11088: 11083: 11078: 11074: 11070: 11067: 11064: 11061: 11056: 11052: 11048: 11022: 11018: 11009: 11006: 11003: 11000: 10995: 10990: 10986: 10982: 10955: 10951: 10947: 10944: 10922: 10918: 10912: 10908: 10904: 10901: 10881: 10878: 10875: 10853: 10849: 10837: 10834: 10819: 10814: 10811: 10806: 10803: 10800: 10795: 10790: 10786: 10782: 10779: 10773: 10770: 10767: 10742: 10736: 10732: 10726: 10722: 10718: 10710: 10707: 10702: 10699: 10696: 10693: 10690: 10670: 10667: 10664: 10641: 10637: 10632: 10627: 10623: 10618: 10614: 10610: 10605: 10601: 10595: 10592: 10587: 10584: 10581: 10578: 10575: 10551: 10545: 10542: 10539: 10535: 10529: 10524: 10520: 10515: 10512: 10509: 10505: 10499: 10495: 10491: 10488: 10485: 10482: 10479: 10476: 10452: 10449: 10446: 10442: 10435: 10431: 10427: 10419: 10416: 10413: 10409: 10405: 10402: 10399: 10379: 10374: 10370: 10366: 10363: 10360: 10355: 10352: 10347: 10344: 10341: 10338: 10329:, which gives 10318: 10298: 10286: 10283: 10274: 10271: 10258: 10255: 10252: 10249: 10246: 10243: 10223: 10220: 10215: 10212: 10207: 10204: 10201: 10198: 10193: 10189: 10185: 10180: 10177: 10172: 10169: 10166: 10163: 10160: 10157: 10137: 10134: 10131: 10128: 10125: 10122: 10119: 10116: 10113: 10110: 10106: 10102: 10099: 10096: 10093: 10090: 10087: 10083: 10079: 10073: 10070: 10064: 10040: 10037: 10033: 10029: 10023: 10020: 10014: 10009: 10006: 10001: 9996: 9989: 9984: 9979: 9974: 9969: 9962: 9958: 9952: 9945: 9942: 9937: 9934: 9931: 9928: 9925: 9902: 9899: 9876: 9873: 9870: 9864: 9861: 9855: 9852: 9848: 9844: 9832: 9829: 9814: 9806: 9801: 9797: 9793: 9788: 9783: 9779: 9775: 9772: 9767: 9764: 9758: 9755: 9752: 9750: 9747: 9744: 9741: 9740: 9731: 9727: 9721: 9717: 9713: 9708: 9703: 9699: 9695: 9690: 9686: 9682: 9677: 9673: 9667: 9663: 9656: 9652: 9645: 9642: 9640: 9637: 9636: 9634: 9607: 9603: 9600: 9597: 9591: 9588: 9585: 9582: 9579: 9551: 9547: 9544: 9541: 9538: 9535: 9532: 9525: 9522: 9516: 9509: 9498: 9494: 9488: 9485: 9479: 9472: 9469: 9463: 9434: 9430: 9426: 9421: 9416: 9412: 9391: 9388: 9383: 9379: 9375: 9370: 9365: 9361: 9357: 9354: 9351: 9348: 9345: 9342: 9339: 9336: 9333: 9313: 9310: 9307: 9304: 9301: 9298: 9295: 9292: 9289: 9286: 9283: 9280: 9274: 9271: 9265: 9262: 9259: 9256: 9253: 9250: 9247: 9244: 9241: 9238: 9235: 9229: 9226: 9217: 9214: 9208: 9205: 9182: 9162: 9142: 9139: 9136: 9133: 9130: 9127: 9124: 9121: 9118: 9115: 9112: 9082: 9078: 9075: 9072: 9069: 9066: 9063: 9060: 9057: 9042: 9035: 9032: 9027: 9024: 9018: 9015: 9000: 8996: 8993: 8990: 8983: 8972: 8965: 8961: 8957: 8952: 8947: 8943: 8934: 8912: 8892: 8872: 8869: 8866: 8863: 8860: 8857: 8854: 8834: 8814: 8802: 8799: 8786: 8783: 8780: 8775: 8772: 8767: 8764: 8761: 8758: 8755: 8746:) attraction, 8731: 8728: 8725: 8720: 8717: 8712: 8709: 8706: 8703: 8681: 8677: 8673: 8670: 8651: 8648: 8635: 8630: 8626: 8623: 8620: 8616: 8612: 8606: 8600: 8597: 8594: 8589: 8585: 8582: 8577: 8571: 8568: 8565: 8560: 8556: 8553: 8530: 8524: 8519: 8513: 8509: 8504: 8496: 8492: 8488: 8483: 8480: 8475: 8471: 8464: 8458: 8453: 8450: 8447: 8443: 8438: 8433: 8428: 8423: 8417: 8413: 8408: 8403: 8395: 8390: 8386: 8382: 8379: 8374: 8371: 8365: 8359: 8354: 8351: 8348: 8344: 8339: 8334: 8329: 8324: 8318: 8315: 8312: 8307: 8303: 8296: 8293: 8272: 8263: 8243: 8239: 8233: 8230: 8225: 8222: 8219: 8213: 8202: 8198: 8193: 8185: 8181: 8177: 8174: 8169: 8166: 8160: 8135: 8131: 8127: 8121: 8118: 8115: 8112: 8109: 8106: 8099: 8095: 8091: 8085: 8081: 8078: 8076: 8074: 8069: 8065: 8061: 8056: 8052: 8048: 8043: 8040: 8035: 8032: 8030: 8028: 8025: 8021: 8017: 8014: 8011: 8008: 8004: 7998: 7995: 7990: 7987: 7985: 7982: 7978: 7974: 7968: 7965: 7960: 7959: 7906: 7902: 7896: 7892: 7886: 7883: 7879: 7874: 7871: 7859:Lorentz factor 7806: 7805: 7756: 7754: 7747: 7741: 7738: 7726: 7723: 7720: 7716: 7713: 7710: 7707: 7704: 7701: 7698: 7691: 7686: 7680: 7676: 7673: 7670: 7667: 7661: 7656: 7651: 7648: 7645: 7642: 7639: 7635: 7627: 7622: 7616: 7611: 7606: 7602: 7599: 7596: 7590: 7569: 7545: 7542: 7539: 7536: 7533: 7530: 7527: 7522: 7518: 7514: 7494: 7490: 7486: 7483: 7479: 7476: 7471: 7466: 7461: 7456: 7452: 7448: 7445: 7442: 7439: 7436: 7433: 7430: 7427: 7423: 7420: 7415: 7410: 7405: 7400: 7396: 7392: 7389: 7386: 7382: 7379: 7374: 7369: 7364: 7359: 7353: 7350: 7347: 7342: 7338: 7335: 7315: 7312: 7308: 7305: 7302: 7299: 7294: 7289: 7285: 7281: 7278: 7275: 7272: 7269: 7246: 7243: 7240: 7237: 7234: 7231: 7211: 7208: 7205: 7202: 7170: 7169: 7120: 7118: 7111: 7105: 7102: 7090: 7083: 7074: 7070: 7066: 7061: 7058: 7050: 7046: 7041: 7035: 7031: 7027: 7024: 7021: 7018: 7015: 6934: 6931: 6925: 6920: 6916: 6908: 6904: 6900: 6897: 6872: 6868: 6864: 6859: 6856: 6848: 6844: 6838: 6834: 6830: 6827: 6824: 6821: 6818: 6815: 6812: 6809: 6806: 6801: 6798: 6774: 6770: 6764: 6760: 6754: 6750: 6746: 6743: 6721: 6713: 6708: 6703: 6699: 6693: 6690: 6687: 6679: 6675: 6671: 6666: 6663: 6655: 6651: 6647: 6644: 6641: 6636: 6632: 6628: 6623: 6619: 6615: 6612: 6609: 6606: 6603: 6598: 6594: 6590: 6587: 6584: 6579: 6575: 6571: 6568: 6563: 6559: 6553: 6549: 6545: 6542: 6539: 6510: 6506: 6502: 6498: 6493: 6490: 6487: 6484: 6479: 6475: 6460: 6442: 6439: 6433: 6428: 6424: 6416: 6412: 6408: 6403: 6398: 6393: 6389: 6385: 6380: 6375: 6372: 6369: 6343: 6340: 6325:Doppler effect 6295: 6290: 6286: 6276: 6272: 6267: 6264: 6259: 6256: 6251: 6247: 6243: 6240: 6210: 6205: 6201: 6191: 6187: 6182: 6179: 6174: 6169: 6165: 6159: 6154: 6149: 6144: 6139: 6134: 6129: 6124: 6121: 6118: 6114: 6108: 6105: 6100: 6097: 6092: 6088: 6084: 6081: 6046: 6043: 6038: 6032: 6028: 6024: 6019: 6015: 6006: 6003: 6000: 5996: 5992: 5988: 5983: 5979: 5976: 5973: 5970: 5967: 5964: 5961: 5958: 5955: 5949: 5943: 5940: 5937: 5933: 5929: 5925: 5920: 5915: 5909: 5906: 5898: 5895: 5892: 5889: 5886: 5881: 5877: 5871: 5866: 5860: 5857: 5854: 5850: 5830: 5821: 5803: 5765: 5760: 5755: 5749: 5744: 5739: 5734: 5729: 5723: 5716: 5711: 5708: 5705: 5701: 5697: 5694: 5689: 5684: 5681: 5678: 5673: 5657: 5630:virial theorem 5615: 5610: 5605: 5599: 5594: 5589: 5584: 5579: 5573: 5566: 5561: 5558: 5555: 5551: 5547: 5542: 5537: 5534: 5531: 5526: 5523: 5518: 5513: 5507: 5504: 5499: 5496: 5490: 5468: 5463: 5459: 5456: 5453: 5450: 5447: 5444: 5441: 5438: 5435: 5429: 5426: 5423: 5417: 5414: 5411: 5408: 5403: 5400: 5397: 5394: 5390: 5384: 5381: 5376: 5373: 5370: 5363: 5360: 5355: 5352: 5344: 5339: 5335: 5329: 5326: 5321: 5316: 5311: 5305: 5302: 5297: 5294: 5288: 5270: 5269:Time averaging 5267: 5240: 5236: 5233: 5230: 5227: 5219: 5215: 5211: 5206: 5201: 5197: 5188: 5185: 5180: 5174: 5171: 5166: 5163: 5131: 5121: 5117: 5114: 5111: 5108: 5105: 5100: 5095: 5090: 5085: 5080: 5073: 5068: 5065: 5062: 5058: 5054: 5051: 5048: 5045: 5039: 5036: 5031: 5028: 5016:Thus, we have 5003: 4997: 4994: 4990: 4984: 4981: 4978: 4974: 4968: 4963: 4960: 4957: 4953: 4949: 4940: 4926: 4900: 4893: 4890: 4885: 4880: 4877: 4873: 4869: 4864: 4861: 4858: 4854: 4848: 4843: 4840: 4837: 4833: 4826: 4823: 4818: 4815: 4813: 4811: 4806: 4803: 4799: 4793: 4790: 4787: 4782: 4779: 4775: 4771: 4768: 4763: 4760: 4757: 4753: 4747: 4742: 4739: 4736: 4732: 4725: 4722: 4717: 4714: 4712: 4710: 4705: 4702: 4698: 4689: 4686: 4682: 4678: 4671: 4668: 4664: 4660: 4652: 4649: 4646: 4642: 4636: 4631: 4628: 4625: 4621: 4614: 4611: 4606: 4603: 4601: 4597: 4592: 4587: 4582: 4577: 4570: 4565: 4562: 4559: 4555: 4548: 4545: 4540: 4537: 4536: 4508: 4503: 4498: 4495: 4491: 4487: 4484: 4479: 4476: 4472: 4459: 4445: 4442: 4430: 4425: 4422: 4418: 4409: 4406: 4402: 4398: 4391: 4388: 4384: 4380: 4372: 4369: 4366: 4361: 4358: 4355: 4351: 4345: 4340: 4337: 4334: 4330: 4326: 4323: 4320: 4317: 4312: 4307: 4302: 4297: 4292: 4285: 4280: 4277: 4274: 4270: 4266: 4263: 4260: 4257: 4251: 4248: 4243: 4240: 4228:Thus, we have 4211: 4206: 4203: 4199: 4190: 4187: 4183: 4179: 4172: 4169: 4165: 4161: 4153: 4150: 4147: 4142: 4139: 4136: 4132: 4126: 4121: 4118: 4115: 4111: 4107: 4104: 4101: 4099: 4097: 4090: 4087: 4083: 4076: 4071: 4064: 4059: 4054: 4049: 4044: 4038: 4026: 4023: 4019: 4015: 4008: 4005: 4001: 3997: 3989: 3986: 3983: 3978: 3975: 3972: 3968: 3962: 3957: 3954: 3951: 3947: 3943: 3940: 3937: 3935: 3933: 3929: 3923: 3918: 3913: 3908: 3903: 3897: 3893: 3888: 3885: 3880: 3873: 3870: 3867: 3862: 3859: 3856: 3852: 3846: 3841: 3838: 3835: 3831: 3827: 3824: 3822: 3818: 3813: 3808: 3803: 3798: 3791: 3786: 3783: 3780: 3776: 3772: 3771: 3746: 3737: 3733: 3727: 3718: 3714: 3708: 3690: 3686: 3679: 3676: 3672: 3665: 3660: 3655: 3650: 3645: 3637: 3628: 3625: 3621: 3617: 3610: 3607: 3603: 3599: 3593: 3590: 3585: 3582: 3578: 3570: 3565: 3559: 3555: 3552: 3547: 3544: 3539: 3512: 3501: 3487: 3478: 3453: 3447: 3442: 3437: 3432: 3427: 3421: 3417: 3412: 3409: 3404: 3397: 3394: 3391: 3386: 3383: 3380: 3376: 3370: 3365: 3362: 3359: 3355: 3351: 3347: 3341: 3336: 3331: 3326: 3323: 3318: 3313: 3308: 3303: 3298: 3293: 3290: 3285: 3279: 3273: 3270: 3267: 3262: 3259: 3256: 3252: 3246: 3241: 3238: 3235: 3231: 3227: 3224: 3222: 3220: 3216: 3210: 3205: 3200: 3195: 3192: 3187: 3182: 3177: 3172: 3167: 3162: 3159: 3154: 3148: 3142: 3139: 3136: 3131: 3128: 3125: 3121: 3115: 3110: 3107: 3104: 3100: 3096: 3091: 3086: 3081: 3076: 3073: 3068: 3061: 3056: 3053: 3050: 3046: 3040: 3035: 3032: 3029: 3025: 3021: 3018: 3016: 3012: 3007: 3002: 2997: 2992: 2985: 2980: 2977: 2974: 2970: 2966: 2965: 2938: 2920: 2914: 2909: 2904: 2899: 2896: 2891: 2884: 2879: 2876: 2873: 2869: 2863: 2858: 2855: 2852: 2848: 2841: 2838: 2833: 2830: 2825: 2820: 2815: 2810: 2805: 2798: 2793: 2790: 2787: 2783: 2776: 2773: 2768: 2745: 2727: 2724: 2719: 2712: 2707: 2704: 2701: 2697: 2693: 2688: 2683: 2672:in the system 2658: 2650: 2647: 2635: 2629: 2626: 2619: 2614: 2609: 2603: 2597: 2594: 2587: 2582: 2577: 2569: 2565: 2559: 2554: 2551: 2548: 2544: 2538: 2535: 2530: 2525: 2520: 2516: 2510: 2506: 2500: 2495: 2492: 2489: 2485: 2479: 2476: 2471: 2468: 2441: 2425: 2418:kinetic energy 2394: 2378: 2363: 2341: 2336: 2331: 2326: 2321: 2314: 2309: 2306: 2303: 2299: 2295: 2292: 2289: 2286: 2283: 2281: 2279: 2274: 2269: 2264: 2259: 2254: 2247: 2242: 2239: 2236: 2232: 2228: 2222: 2219: 2212: 2207: 2202: 2196: 2190: 2187: 2180: 2175: 2170: 2162: 2158: 2152: 2147: 2144: 2141: 2137: 2133: 2130: 2128: 2126: 2121: 2116: 2111: 2105: 2102: 2095: 2090: 2085: 2077: 2072: 2069: 2066: 2062: 2058: 2052: 2049: 2042: 2037: 2032: 2026: 2021: 2016: 2009: 2004: 2001: 1998: 1994: 1990: 1987: 1985: 1980: 1977: 1972: 1969: 1963: 1962: 1934: 1930: 1927: 1922: 1917: 1912: 1907: 1902: 1895: 1890: 1887: 1884: 1880: 1876: 1873: 1871: 1869: 1864: 1859: 1854: 1848: 1845: 1838: 1833: 1828: 1819: 1815: 1809: 1804: 1801: 1798: 1794: 1790: 1787: 1785: 1783: 1778: 1773: 1768: 1763: 1758: 1751: 1747: 1741: 1736: 1733: 1730: 1726: 1719: 1716: 1712: 1705: 1702: 1697: 1694: 1692: 1687: 1684: 1679: 1676: 1668: 1665: 1660: 1659: 1629: 1611: 1606: 1601: 1596: 1591: 1584: 1579: 1576: 1573: 1569: 1565: 1562: 1541: 1531: 1516: 1505: 1487: 1482: 1478: 1472: 1468: 1462: 1457: 1454: 1451: 1447: 1443: 1438: 1433: 1428: 1423: 1418: 1411: 1407: 1401: 1396: 1393: 1390: 1386: 1382: 1379: 1346: 1343: 1332: 1318: 1302: 1299: 1296: 1293: 1290: 1285: 1281: 1277: 1274: 1271: 1268: 1263: 1257: 1253: 1249: 1243: 1240: 1237: 1234: 1231: 1228: 1225: 1222: 1219: 1216: 1213: 1210: 1205: 1202: 1197: 1194: 1189: 1182: 1177: 1172: 1167: 1162: 1155: 1148: 1143: 1140: 1137: 1133: 1127: 1124: 1119: 1080: 1069: 1058: 1047: 1029: 1018: 1004: 988: 983: 979: 975: 972: 969: 966: 962: 956: 951: 946: 943: 940: 935: 930: 924: 920: 915: 912: 907: 902: 897: 892: 889: 886: 881: 876: 870: 866: 861: 858: 852: 844: 840: 832: 828: 823: 814: 810: 806: 801: 797: 792: 787: 784: 781: 776: 771: 767: 764: 761: 756: 751: 745: 738: 734: 728: 725: 718: 713: 710: 707: 703: 695: 691: 683: 679: 674: 665: 661: 657: 652: 648: 643: 638: 635: 632: 629: 614: 605: 583: 572: 558: 544: 533: 519: 496: 493: 445:Henri Poincaré 395: 392: 371: 345: 311: 308: 299: 295: 292: 289: 286: 283: 280: 277: 196:angle brackets 188: 169: 141: 134: 129: 124: 119: 114: 107: 100: 95: 92: 89: 85: 78: 75: 70: 67: 63: 60: 57: 29:kinetic energy 25:virial theorem 15: 9: 6: 4: 3: 2: 14987: 14976: 14973: 14971: 14968: 14966: 14963: 14961: 14958: 14956: 14953: 14952: 14950: 14940: 14939: 14935: 14932: 14929: 14928: 14918: 14914: 14910: 14906: 14902: 14898: 14895:(4): 045405. 14894: 14890: 14885: 14881: 14875: 14871: 14867: 14863: 14862: 14856: 14852: 14846: 14842: 14837: 14836: 14823: 14817: 14813: 14812: 14804: 14796: 14790: 14786: 14785: 14777: 14768: 14763: 14759: 14755: 14751: 14744: 14736: 14732: 14728: 14724: 14720: 14716: 14712: 14708: 14703: 14698: 14694: 14690: 14686: 14679: 14671: 14667: 14663: 14659: 14655: 14651: 14646: 14641: 14637: 14633: 14626: 14618: 14611: 14603: 14599: 14595: 14591: 14587: 14583: 14576: 14568: 14562: 14558: 14551: 14542: 14537: 14533: 14529: 14525: 14518: 14510: 14506: 14502: 14498: 14494: 14490: 14486: 14480: 14471: 14466: 14462: 14458: 14455:: 1037–1047. 14454: 14450: 14446: 14442: 14436: 14428: 14424: 14420: 14416: 14412: 14408: 14401: 14392: 14387: 14383: 14379: 14375: 14371: 14367: 14360: 14352: 14348: 14342: 14334: 14333: 14325: 14317: 14313: 14309: 14305: 14301: 14299: 14290: 14282: 14278: 14274: 14270: 14266: 14262: 14258: 14254: 14249: 14244: 14241:(4): 045002. 14240: 14236: 14232: 14225: 14217: 14213: 14208: 14203: 14199: 14195: 14191: 14187: 14183: 14176: 14168: 14164: 14160: 14156: 14152: 14145: 14143: 14127: 14123: 14117: 14109: 14105: 14101: 14097: 14093: 14089: 14085: 14081: 14077: 14070: 14068: 14059: 14055: 14051: 14047: 14043: 14039: 14035: 14031: 14027: 14020: 14012: 14008: 14004: 14000: 13996: 13992: 13988: 13984: 13977: 13969: 13965: 13961: 13959:0-201-02918-9 13955: 13951: 13947: 13941: 13939: 13930: 13926: 13922: 13918: 13914: 13910: 13906: 13902: 13896: 13888: 13882: 13878: 13874: 13870: 13869: 13861: 13853: 13849: 13845: 13841: 13834: 13830: 13820: 13817: 13815: 13812: 13810: 13807: 13805: 13802: 13800: 13797: 13795: 13792: 13790: 13787: 13785: 13784:Virial stress 13782: 13780: 13777: 13776: 13770: 13764: 13763:specific heat 13759: 13758:main sequence 13749: 13736: 13727: 13723: 13720: 13715: 13710: 13706: 13702: 13697: 13694: 13689: 13684: 13680: 13676: 13667: 13646: 13637: 13633: 13630: 13627: 13624: 13620: 13617: 13614: 13609: 13605: 13601: 13592: 13583: 13579: 13571: 13548: 13545: 13542: 13535: 13531: 13527: 13521: 13512: 13504: 13500: 13496: 13491: 13489: 13483: 13470: 13465: 13456: 13452: 13441: 13430: 13426: 13415: 13397: 13388: 13375: 13370: 13366: 13362: 13357: 13353: 13350: 13339: 13338:we can write 13332: 13324: 13301: 13295: 13276: 13257: 13249: 13245: 13241: 13236: 13234: 13230: 13229:virial radius 13226: 13222: 13216: 13206: 13168: 13159: 13155: 13148: 13114: 13110: 13104: 13101: 13096: 13083: 13078: 13067: 13058: 13055: 13050: 13045: 13041: 13038: 13030: 13027: 13017: 13013: 13009: 12999: 12983: 12979: 12975: 12969: 12965: 12961: 12955: 12951: 12947: 12941: 12938: 12931: 12928: 12924: 12918: 12915: 12911: 12907: 12899: 12895: 12891: 12887: 12882: 12877: 12873: 12847: 12843: 12820: 12816: 12812: 12806: 12802: 12798: 12792: 12788: 12784: 12778: 12775: 12768: 12764: 12758: 12754: 12750: 12747: 12742: 12739: 12735: 12711: 12708: 12705: 12700: 12696: 12692: 12689: 12684: 12681: 12677: 12664: 12650: 12625: 12621: 12597: 12574: 12562: 12549: 12540: 12532: 12528: 12524: 12521: 12518: 12511: 12508: 12502: 12498: 12493: 12489: 12483: 12478: 12474: 12468: 12464: 12456: 12452: 12446: 12442: 12438: 12435: 12432: 12426: 12423: 12418: 12415: 12398: 12389: 12385: 12383: 12357: 12348: 12335: 12327: 12318: 12305: 12297: 12287: 12282: 12267: 12262: 12259: 12256: 12252: 12248: 12245: 12242: 12238: 12233: 12229: 12225: 12216: 12207: 12205: 12201: 12193: 12187: 12174: 12161: 12157: 12152: 12148: 12140: 12129: 12119: 12111: 12101: 12083: 12078: 12065: 12061: 12053: 12049: 12042: 12038: 12032: 12028: 12021: 12016: 12012: 12006: 12002: 11996: 11992: 11987: 11983: 11978: 11975: 11971: 11966: 11957: 11953: 11949: 11943: 11939: 11933: 11928: 11922: 11918: 11912: 11908: 11900: 11896: 11891: 11888: 11884: 11875: 11873: 11868: 11859: 11846: 11841: 11837: 11831: 11827: 11818: 11814: 11808: 11804: 11800: 11795: 11785: 11781: 11775: 11771: 11762: 11758: 11752: 11748: 11741: 11736: 11733: 11729: 11720: 11717: 11708: 11702: 11693: 11685: 11677: 11668: 11655: 11650: 11646: 11642: 11633: 11630: 11626: 11622: 11617: 11614: 11610: 11601: 11597: 11593: 11590: 11579: 11575: 11564: 11560: 11554: 11551: 11548: 11542: 11539: 11536: 11531: 11527: 11519: 11509: 11505: 11493: 11489: 11483: 11479: 11475: 11467: 11463: 11459: 11454: 11449: 11445: 11436: 11433: 11423: 11415: 11413: 11397: 11393: 11390: 11384: 11378: 11373: 11370: 11365: 11355: 11349: 11332: 11324: 11313: 11307: 11299: 11294: 11286: 11275: 11269: 11261: 11252: 11247: 11237: 11221: 11217: 11211: 11207: 11203: 11200: 11197: 11194: 11191: 11169: 11165: 11159: 11155: 11151: 11148: 11145: 11140: 11131: 11126: 11122: 11115: 11112: 11100: 11081: 11076: 11072: 11065: 11062: 11054: 11050: 11038: 11037:equipartition 11020: 11007: 11001: 10993: 10988: 10984: 10953: 10949: 10945: 10942: 10920: 10916: 10910: 10906: 10902: 10899: 10879: 10876: 10873: 10851: 10848: 10833: 10812: 10809: 10801: 10798: 10788: 10784: 10777: 10771: 10768: 10765: 10756: 10740: 10734: 10730: 10724: 10720: 10716: 10708: 10705: 10700: 10697: 10691: 10665: 10653: 10635: 10630: 10625: 10616: 10612: 10608: 10603: 10599: 10593: 10590: 10585: 10582: 10576: 10565: 10543: 10540: 10537: 10533: 10527: 10522: 10513: 10510: 10507: 10503: 10497: 10493: 10489: 10486: 10483: 10477: 10450: 10447: 10444: 10440: 10433: 10429: 10425: 10417: 10414: 10411: 10407: 10403: 10400: 10397: 10372: 10368: 10361: 10358: 10353: 10350: 10345: 10339: 10316: 10296: 10282: 10280: 10270: 10256: 10253: 10250: 10247: 10244: 10241: 10221: 10218: 10213: 10210: 10205: 10202: 10199: 10191: 10187: 10183: 10178: 10175: 10167: 10164: 10158: 10135: 10132: 10129: 10126: 10123: 10120: 10117: 10114: 10111: 10108: 10100: 10094: 10091: 10088: 10085: 10077: 10062: 10054: 10038: 10035: 10027: 10012: 10007: 10004: 9999: 9987: 9977: 9972: 9960: 9956: 9943: 9940: 9935: 9932: 9926: 9874: 9871: 9868: 9853: 9850: 9842: 9831:Ideal gas law 9828: 9799: 9795: 9791: 9786: 9781: 9777: 9770: 9765: 9762: 9756: 9753: 9748: 9745: 9742: 9729: 9719: 9715: 9711: 9706: 9701: 9697: 9688: 9684: 9680: 9675: 9671: 9665: 9661: 9654: 9650: 9643: 9638: 9632: 9621: 9605: 9601: 9598: 9595: 9589: 9586: 9583: 9580: 9577: 9549: 9542: 9539: 9536: 9533: 9530: 9523: 9520: 9507: 9496: 9486: 9483: 9477: 9470: 9467: 9448: 9432: 9428: 9424: 9419: 9414: 9410: 9389: 9381: 9377: 9373: 9368: 9363: 9359: 9352: 9349: 9343: 9337: 9334: 9331: 9308: 9302: 9299: 9293: 9290: 9284: 9281: 9272: 9269: 9263: 9257: 9254: 9248: 9245: 9239: 9236: 9227: 9224: 9215: 9212: 9203: 9194: 9180: 9160: 9137: 9134: 9131: 9128: 9122: 9119: 9116: 9113: 9110: 9101: 9080: 9073: 9070: 9064: 9061: 9058: 9055: 9040: 9033: 9030: 9025: 9022: 9016: 9013: 8998: 8994: 8991: 8988: 8981: 8970: 8963: 8959: 8955: 8950: 8945: 8941: 8932: 8924: 8910: 8890: 8867: 8864: 8858: 8855: 8852: 8832: 8812: 8798: 8781: 8773: 8770: 8765: 8762: 8756: 8745: 8726: 8718: 8715: 8710: 8704: 8679: 8675: 8671: 8668: 8660: 8655: 8647: 8633: 8628: 8624: 8621: 8618: 8614: 8610: 8587: 8580: 8558: 8551: 8528: 8522: 8517: 8511: 8507: 8502: 8494: 8490: 8486: 8481: 8478: 8473: 8469: 8462: 8456: 8451: 8448: 8445: 8441: 8436: 8431: 8426: 8421: 8415: 8411: 8406: 8401: 8393: 8388: 8384: 8380: 8377: 8372: 8369: 8363: 8357: 8352: 8349: 8346: 8342: 8337: 8332: 8327: 8322: 8305: 8301: 8294: 8291: 8275: 8271: 8266: 8262: 8257: 8241: 8237: 8231: 8228: 8223: 8220: 8217: 8211: 8200: 8196: 8191: 8183: 8179: 8175: 8172: 8167: 8164: 8158: 8133: 8129: 8125: 8116: 8113: 8110: 8104: 8097: 8093: 8089: 8083: 8079: 8077: 8067: 8063: 8059: 8054: 8050: 8046: 8041: 8038: 8033: 8031: 8023: 8015: 8012: 8009: 8006: 7996: 7993: 7988: 7986: 7976: 7966: 7963: 7944: 7936: 7928: 7904: 7900: 7894: 7890: 7884: 7881: 7877: 7872: 7869: 7861: 7860: 7851: 7847: 7843: 7837: 7833: 7814: 7802: 7799: 7791: 7781: 7777: 7773: 7767: 7766: 7762: 7757:This section 7755: 7751: 7746: 7745: 7737: 7724: 7721: 7718: 7708: 7702: 7696: 7689: 7678: 7674: 7671: 7668: 7665: 7659: 7646: 7640: 7625: 7614: 7609: 7604: 7600: 7597: 7594: 7588: 7567: 7559: 7558:distributions 7543: 7537: 7531: 7528: 7525: 7520: 7512: 7492: 7484: 7481: 7477: 7469: 7454: 7450: 7446: 7437: 7431: 7425: 7421: 7413: 7398: 7394: 7390: 7387: 7380: 7372: 7340: 7336: 7333: 7313: 7310: 7303: 7297: 7292: 7287: 7283: 7279: 7273: 7267: 7258: 7244: 7241: 7235: 7229: 7206: 7200: 7191: 7189: 7185: 7181: 7177: 7166: 7163: 7155: 7145: 7141: 7137: 7131: 7130: 7126: 7121:This section 7119: 7115: 7110: 7109: 7101: 7088: 7081: 7072: 7068: 7064: 7059: 7056: 7048: 7044: 7039: 7033: 7029: 7025: 7019: 7013: 7005: 7004: 6992: 6984: 6973: 6964: 6956: 6932: 6929: 6923: 6918: 6914: 6906: 6902: 6898: 6895: 6870: 6866: 6862: 6857: 6854: 6846: 6842: 6836: 6832: 6828: 6825: 6822: 6819: 6813: 6810: 6807: 6796: 6772: 6768: 6762: 6758: 6752: 6748: 6744: 6741: 6732: 6719: 6711: 6706: 6701: 6697: 6688: 6685: 6677: 6673: 6669: 6664: 6661: 6653: 6649: 6642: 6639: 6634: 6630: 6621: 6617: 6613: 6610: 6604: 6596: 6592: 6588: 6585: 6577: 6573: 6569: 6561: 6557: 6551: 6547: 6543: 6540: 6508: 6504: 6500: 6496: 6488: 6485: 6482: 6477: 6473: 6463: 6440: 6437: 6431: 6426: 6422: 6414: 6410: 6406: 6391: 6387: 6373: 6370: 6367: 6360: 6356: 6353:Evaluate the 6351: 6349: 6339: 6337: 6333: 6328: 6326: 6322: 6317: 6315: 6311: 6310:solar systems 6306: 6293: 6288: 6274: 6265: 6262: 6257: 6254: 6249: 6241: 6226: 6225:gravitational 6221: 6208: 6203: 6189: 6180: 6177: 6172: 6167: 6157: 6147: 6142: 6127: 6122: 6119: 6116: 6112: 6106: 6103: 6098: 6095: 6090: 6082: 6071: 6064: 6057: 6044: 6041: 6036: 6026: 6022: 6013: 5998: 5990: 5986: 5981: 5974: 5968: 5965: 5959: 5953: 5947: 5935: 5927: 5923: 5918: 5913: 5907: 5904: 5879: 5875: 5869: 5864: 5852: 5839: 5829: 5820: 5814: 5806: 5796: 5788: 5776: 5763: 5758: 5753: 5747: 5737: 5732: 5721: 5714: 5709: 5706: 5703: 5699: 5695: 5692: 5687: 5682: 5679: 5676: 5671: 5660: 5650: 5642: 5631: 5626: 5613: 5608: 5603: 5597: 5587: 5582: 5571: 5564: 5559: 5556: 5553: 5549: 5545: 5540: 5535: 5532: 5529: 5524: 5521: 5516: 5511: 5505: 5502: 5497: 5494: 5488: 5466: 5461: 5454: 5448: 5445: 5439: 5433: 5427: 5424: 5421: 5412: 5406: 5398: 5392: 5388: 5382: 5379: 5374: 5371: 5368: 5361: 5358: 5353: 5350: 5342: 5337: 5333: 5327: 5324: 5319: 5314: 5309: 5303: 5300: 5295: 5292: 5286: 5266: 5264: 5260: 5238: 5234: 5231: 5228: 5225: 5217: 5213: 5209: 5204: 5199: 5195: 5186: 5183: 5178: 5172: 5169: 5164: 5161: 5151: 5142: 5129: 5119: 5115: 5112: 5109: 5106: 5103: 5098: 5088: 5083: 5071: 5066: 5063: 5060: 5056: 5052: 5049: 5046: 5043: 5037: 5034: 5029: 5026: 5014: 5001: 4995: 4992: 4988: 4982: 4979: 4976: 4972: 4966: 4961: 4958: 4955: 4951: 4947: 4938: 4925: 4898: 4891: 4888: 4883: 4878: 4875: 4871: 4867: 4862: 4859: 4856: 4852: 4846: 4841: 4838: 4835: 4831: 4824: 4821: 4816: 4814: 4804: 4801: 4797: 4791: 4788: 4785: 4780: 4777: 4773: 4769: 4766: 4761: 4758: 4755: 4751: 4745: 4740: 4737: 4734: 4730: 4723: 4720: 4715: 4713: 4703: 4700: 4696: 4687: 4684: 4680: 4676: 4669: 4666: 4662: 4658: 4650: 4647: 4644: 4640: 4634: 4629: 4626: 4623: 4619: 4612: 4609: 4604: 4602: 4595: 4585: 4580: 4568: 4563: 4560: 4557: 4553: 4546: 4543: 4538: 4506: 4501: 4496: 4493: 4489: 4485: 4482: 4477: 4474: 4470: 4441: 4428: 4423: 4420: 4416: 4407: 4404: 4400: 4396: 4389: 4386: 4382: 4378: 4370: 4367: 4364: 4359: 4356: 4353: 4349: 4343: 4338: 4335: 4332: 4328: 4324: 4321: 4318: 4315: 4310: 4300: 4295: 4283: 4278: 4275: 4272: 4268: 4264: 4261: 4258: 4255: 4249: 4246: 4241: 4238: 4226: 4209: 4204: 4201: 4197: 4188: 4185: 4181: 4177: 4170: 4167: 4163: 4159: 4151: 4148: 4145: 4140: 4137: 4134: 4130: 4124: 4119: 4116: 4113: 4109: 4105: 4102: 4100: 4088: 4085: 4081: 4074: 4062: 4052: 4047: 4024: 4021: 4017: 4013: 4006: 4003: 3999: 3995: 3987: 3984: 3981: 3976: 3973: 3970: 3966: 3960: 3955: 3952: 3949: 3945: 3941: 3938: 3936: 3927: 3921: 3911: 3906: 3895: 3891: 3886: 3883: 3871: 3868: 3865: 3860: 3857: 3854: 3850: 3844: 3839: 3836: 3833: 3829: 3825: 3823: 3816: 3806: 3801: 3789: 3784: 3781: 3778: 3774: 3761: 3749: 3745: 3740: 3736: 3730: 3726: 3721: 3717: 3711: 3707: 3701: 3688: 3684: 3677: 3674: 3670: 3663: 3653: 3648: 3635: 3626: 3623: 3619: 3615: 3608: 3605: 3601: 3597: 3591: 3588: 3583: 3580: 3576: 3568: 3553: 3550: 3545: 3542: 3527: 3515: 3511: 3504: 3500: 3494: 3490: 3486: 3481: 3477: 3473:holds, i.e., 3472: 3451: 3445: 3435: 3430: 3419: 3415: 3410: 3407: 3395: 3392: 3389: 3384: 3381: 3378: 3374: 3368: 3363: 3360: 3357: 3353: 3349: 3345: 3339: 3329: 3324: 3321: 3311: 3306: 3296: 3291: 3288: 3277: 3271: 3268: 3265: 3260: 3257: 3254: 3250: 3244: 3239: 3236: 3233: 3229: 3225: 3223: 3214: 3208: 3198: 3193: 3190: 3180: 3175: 3165: 3160: 3157: 3146: 3140: 3137: 3134: 3129: 3126: 3123: 3119: 3113: 3108: 3105: 3102: 3098: 3094: 3089: 3079: 3074: 3071: 3059: 3054: 3051: 3048: 3044: 3038: 3033: 3030: 3027: 3023: 3019: 3017: 3010: 3000: 2995: 2983: 2978: 2975: 2972: 2968: 2954: 2950: 2941: 2937: 2931: 2918: 2912: 2902: 2897: 2894: 2882: 2877: 2874: 2871: 2867: 2861: 2856: 2853: 2850: 2846: 2839: 2836: 2831: 2828: 2823: 2813: 2808: 2796: 2791: 2788: 2785: 2781: 2774: 2771: 2766: 2748: 2744: 2725: 2722: 2710: 2705: 2702: 2699: 2695: 2691: 2686: 2661: 2657: 2646: 2633: 2627: 2624: 2617: 2607: 2601: 2595: 2592: 2585: 2575: 2567: 2563: 2557: 2552: 2549: 2546: 2542: 2536: 2533: 2528: 2523: 2518: 2514: 2508: 2504: 2498: 2493: 2490: 2487: 2483: 2477: 2474: 2469: 2466: 2453: 2444: 2440: 2437: 2428: 2424: 2419: 2416:is the total 2406: 2397: 2393: 2390: 2381: 2377: 2373:th particle, 2366: 2362: 2339: 2329: 2324: 2312: 2307: 2304: 2301: 2297: 2293: 2290: 2287: 2284: 2282: 2272: 2262: 2257: 2245: 2240: 2237: 2234: 2230: 2226: 2220: 2217: 2210: 2200: 2194: 2188: 2185: 2178: 2168: 2160: 2156: 2150: 2145: 2142: 2139: 2135: 2131: 2129: 2119: 2109: 2103: 2100: 2093: 2083: 2075: 2070: 2067: 2064: 2060: 2056: 2050: 2047: 2040: 2030: 2024: 2019: 2007: 2002: 1999: 1996: 1992: 1988: 1986: 1978: 1975: 1970: 1967: 1932: 1928: 1925: 1920: 1910: 1905: 1893: 1888: 1885: 1882: 1878: 1874: 1872: 1862: 1852: 1846: 1843: 1836: 1826: 1817: 1813: 1807: 1802: 1799: 1796: 1792: 1788: 1786: 1776: 1766: 1761: 1749: 1745: 1739: 1734: 1731: 1728: 1724: 1717: 1714: 1710: 1703: 1700: 1695: 1693: 1685: 1682: 1677: 1674: 1666: 1663: 1641: 1638: 1632: 1628: 1609: 1599: 1594: 1582: 1577: 1574: 1571: 1567: 1563: 1560: 1544: 1540: 1534: 1530: 1526:th particle. 1519: 1515: 1508: 1504: 1485: 1480: 1476: 1470: 1466: 1460: 1455: 1452: 1449: 1445: 1441: 1436: 1431: 1426: 1416: 1409: 1405: 1399: 1394: 1391: 1388: 1384: 1380: 1377: 1369: 1362: 1359: 1350: 1342: 1338: 1331: 1324: 1317: 1300: 1294: 1288: 1283: 1279: 1275: 1272: 1269: 1266: 1261: 1255: 1251: 1247: 1241: 1238: 1235: 1232: 1226: 1223: 1220: 1217: 1214: 1211: 1203: 1200: 1195: 1192: 1180: 1170: 1165: 1146: 1141: 1138: 1135: 1131: 1125: 1122: 1117: 1108: 1104: 1100: 1095: 1090: 1086: 1079: 1075: 1068: 1064: 1057: 1053: 1046: 1035: 1028: 1024: 1017: 1010: 1003: 986: 981: 977: 973: 970: 967: 964: 960: 954: 941: 933: 918: 913: 910: 905: 900: 887: 879: 864: 859: 856: 850: 842: 838: 830: 826: 821: 812: 808: 804: 799: 795: 790: 785: 782: 779: 774: 769: 762: 754: 743: 736: 732: 726: 723: 716: 711: 708: 705: 701: 693: 689: 681: 677: 672: 663: 659: 655: 650: 646: 641: 636: 630: 619: 613: 604: 589: 582: 578: 571: 564: 557: 550: 543: 539: 532: 525: 518: 503: 492: 490: 487: 483: 478: 477:Richard Bader 474: 470: 466: 465:Eugene Parker 462: 461:Richard Bader 458: 454: 450: 446: 442: 441:Lord Rayleigh 438: 434: 430: 429:Karl Jacobi's 426: 406: 401: 391: 383: 379: 370: 359: 355: 344: 330: 322: 309: 297: 290: 287: 281: 275: 264: 255: 251: 247: 243: 238: 236: 232: 228: 224: 220: 215: 213: 209: 205: 201: 197: 191: 187: 178: 172: 168: 158: 132: 122: 117: 98: 93: 90: 87: 83: 76: 73: 68: 65: 61: 58: 55: 46: 42: 38: 34: 30: 26: 22: 14937: 14933:at MathPages 14892: 14888: 14860: 14840: 14810: 14803: 14783: 14776: 14757: 14753: 14743: 14692: 14688: 14678: 14635: 14631: 14625: 14616: 14610: 14585: 14581: 14575: 14556: 14550: 14531: 14527: 14517: 14492: 14489:Astrophys. J 14488: 14479: 14452: 14449:Astrophys. J 14448: 14435: 14410: 14406: 14400: 14373: 14369: 14359: 14350: 14341: 14331: 14324: 14307: 14303: 14297: 14289: 14238: 14234: 14224: 14189: 14185: 14175: 14158: 14154: 14130:. Retrieved 14128:. 2018-03-22 14125: 14116: 14083: 14079: 14033: 14029: 14019: 13986: 13982: 13976: 13949: 13912: 13908: 13895: 13867: 13860: 13843: 13842:. Series 4. 13839: 13833: 13755: 13492: 13484: 13416: 13389: 13340: 13330: 13322: 13299: 13293: 13274: 13255: 13237: 13218: 13166: 13157: 13005: 12665: 12563: 12390: 12386: 12352: 12343: 12329: 12322: 12319: 12217: 12213: 12191: 12188: 12141: 12127: 12117: 12109: 12099: 12079: 11876: 11863: 11860: 11721: 11712: 11706: 11700: 11669: 11424: 11421: 11411: 11243: 11101: 10839: 10757: 10654: 10288: 10279:Coma Cluster 10276: 9834: 9622: 9449: 9195: 9102: 8977:acceleration 8925: 8804: 8656: 8653: 8273: 8269: 8264: 8260: 7942: 7934: 7926: 7862: 7849: 7845: 7841: 7835: 7831: 7812: 7809: 7794: 7785: 7770:Please help 7758: 7259: 7192: 7173: 7158: 7149: 7134:Please help 7122: 7002: 7001: 6990: 6982: 6962: 6954: 6733: 6526:of particle 6458: 6352: 6345: 6329: 6318: 6307: 6227:attraction, 6222: 6072: 6065: 6058: 5840: 5827: 5818: 5812: 5804: 5794: 5786: 5777: 5658: 5648: 5640: 5629: 5627: 5272: 5149: 5143: 5015: 4923: 4447: 4227: 3762: 3756:on particle 3747: 3743: 3738: 3734: 3728: 3724: 3719: 3715: 3709: 3705: 3702: 3528: 3513: 3509: 3502: 3498: 3495: 3488: 3484: 3479: 3475: 2952: 2948: 2939: 2935: 2932: 2755:on particle 2746: 2742: 2664:on particle 2659: 2655: 2652: 2451: 2442: 2438: 2435: 2426: 2422: 2404: 2395: 2391: 2388: 2379: 2375: 2364: 2360: 1630: 1626: 1542: 1538: 1532: 1528: 1517: 1513: 1506: 1502: 1351: 1348: 1336: 1329: 1322: 1315: 1110:results in: 1106: 1102: 1098: 1088: 1084: 1077: 1073: 1066: 1062: 1055: 1051: 1044: 1033: 1026: 1022: 1015: 1008: 1001: 620: 611: 602: 587: 580: 576: 569: 562: 555: 548: 541: 537: 530: 523: 516: 501: 498: 469:Fritz Zwicky 453:Enrico Fermi 432: 397: 381: 377: 368: 357: 353: 342: 328: 323: 253: 249: 245: 239: 216: 203: 199: 189: 185: 170: 166: 156: 24: 18: 14376:: 143–153. 13789:Virial mass 13582:Virial mass 13225:virial mass 13215:Virial mass 13137:, velocity 13129:for a mass 12204:Alfvén wave 11035:. Assuming 10273:Dark matter 9556:power input 8825:, position 7950:. We have, 6359:Hamiltonian 5263:Carl Jacobi 486:white dwarf 473:dark matter 457:Paul Ledoux 223:temperature 164:particles, 35:(where the 14949:Categories 14702:1912.08683 14645:1801.06453 14248:1605.04909 14132:2023-06-07 13825:References 12139:, we find 10564:ergodicity 10234:, we have 7788:April 2020 7152:April 2020 6355:commutator 1366:about the 351:. Whereas 14917:125030620 14735:125180719 14727:1432-0959 14273:0034-6861 14216:0004-637X 14167:0018-0238 14108:0002-9505 14058:123081616 14011:122502103 13728:ρ 13721:⋅ 13703:π 13677:≈ 13638:ρ 13634:⋅ 13625:ρ 13602:≈ 13546:π 13513:ρ 13457:σ 13453:≈ 13367:σ 13363:≈ 13221:astronomy 13133:, radius 12939:− 12932:β 12929:α 12919:β 12916:α 12908:∫ 12896:μ 12848:α 12776:− 12769:α 12759:α 12751:∫ 12622:ρ 12598:η 12529:ρ 12525:η 12522:π 12499:⁡ 12475:γ 12443:ρ 12439:η 12436:π 12427:− 12303:⟩ 12288:⋅ 12273:⟨ 12253:∑ 12246:− 12243:≈ 12153:∼ 12149:τ 12050:μ 11993:ε 11984:− 11972:δ 11954:μ 11909:ε 11842:σ 11832:σ 11824:Σ 11801:− 11796:σ 11792:⟩ 11768:⟨ 11763:σ 11753:σ 11745:Σ 11594:∫ 11591:− 11517:∂ 11502:∂ 11480:∫ 11385:τ 11371:− 11366:τ 11359:∞ 11353:→ 11350:τ 11333:τ 11329:⟩ 11322:⟨ 11317:∞ 11311:→ 11308:τ 11295:τ 11291:⟩ 11284:⟨ 11279:∞ 11273:→ 11270:τ 11222:⊙ 11204:× 11170:⊙ 11152:× 11146:≈ 11137:⟩ 11119:⟨ 11087:⟩ 11069:⟨ 11060:⟩ 11047:⟨ 10999:⟩ 10981:⟨ 10921:⊙ 10818:⟩ 10805:⟨ 10794:⟩ 10781:⟨ 10701:− 10695:⟩ 10689:⟨ 10669:⟩ 10663:⟨ 10640:⟩ 10622:⟨ 10586:− 10580:⟩ 10574:⟨ 10550:⟩ 10519:⟨ 10504:∑ 10487:− 10481:⟩ 10475:⟨ 10467:, giving 10408:∑ 10404:− 10378:⟩ 10365:⟨ 10343:⟩ 10337:⟨ 10206:⋅ 10197:⟩ 10171:⟨ 10162:⟩ 10156:⟨ 10121:∫ 10101:⋅ 10098:∇ 10095:∫ 10078:⋅ 10072:^ 10063:∫ 10028:⋅ 10022:^ 10013:∫ 9978:⋅ 9957:∑ 9936:− 9930:⟩ 9924:⟨ 9901:^ 9863:^ 9854:− 9796:ω 9792:− 9778:ω 9766:ω 9763:γ 9757:− 9749:φ 9746:⁡ 9716:ω 9712:− 9698:ω 9672:ω 9662:γ 9602:ω 9596:γ 9590:− 9584:φ 9581:⁡ 9550:⏟ 9546:⟩ 9540:ω 9537:⁡ 9524:˙ 9515:⟨ 9497:⏟ 9493:⟩ 9487:˙ 9478:γ 9471:˙ 9462:⟨ 9411:ω 9378:ω 9374:− 9360:ω 9344:φ 9338:⁡ 9312:⟩ 9300:ω 9294:⁡ 9288:⟨ 9282:− 9279:⟩ 9273:˙ 9261:⟨ 9258:γ 9252:⟩ 9243:⟨ 9234:⟩ 9228:˙ 9216:˙ 9207:⟨ 9181:φ 9138:φ 9129:ω 9123:⁡ 9081:⏟ 9071:ω 9065:⁡ 9041:⏟ 9017:γ 9014:− 8999:⏟ 8989:− 8971:⏟ 8911:γ 8865:ω 8859:⁡ 8785:⟩ 8779:⟨ 8766:− 8760:⟩ 8754:⟨ 8730:⟩ 8724:⟨ 8708:⟩ 8702:⟨ 8672:∝ 8611:∈ 8605:⟩ 8584:⟨ 8576:⟩ 8555:⟨ 8523:τ 8491:γ 8470:γ 8442:∑ 8427:τ 8385:β 8381:− 8343:∑ 8328:τ 8232:γ 8218:γ 8180:β 8176:− 8114:− 8111:γ 8094:β 8090:γ 8051:β 8047:γ 8020:β 8016:⋅ 8007:γ 8003:β 7977:⋅ 7885:− 7870:γ 7759:does not 7679:∫ 7638:∇ 7615:∫ 7598:− 7517:∇ 7513:− 7485:∈ 7447:∈ 7438:⋅ 7391:∈ 7385:∇ 7358:∞ 7337:∈ 7284:∫ 7123:does not 7030:∑ 7023:⟩ 7017:⟨ 6903:∑ 6833:∑ 6829:− 6800:ℏ 6749:∑ 6692:ℏ 6686:− 6646:ℏ 6492:ℏ 6486:− 6411:∑ 6289:τ 6285:⟩ 6271:⟨ 6258:− 6250:τ 6246:⟩ 6239:⟨ 6204:τ 6200:⟩ 6186:⟨ 6168:τ 6164:⟩ 6148:⋅ 6133:⟨ 6113:∑ 6099:− 6091:τ 6087:⟩ 6080:⟨ 6037:τ 6023:− 6005:∞ 6002:→ 5999:τ 5991:≤ 5982:τ 5966:− 5960:τ 5942:∞ 5939:→ 5936:τ 5919:τ 5859:∞ 5856:→ 5853:τ 5759:τ 5738:⋅ 5700:∑ 5696:− 5688:τ 5609:τ 5588:⋅ 5550:∑ 5541:τ 5517:τ 5462:τ 5446:− 5440:τ 5413:τ 5389:∫ 5383:τ 5343:τ 5334:∫ 5328:τ 5315:τ 5113:− 5089:⋅ 5057:∑ 4973:∑ 4952:∑ 4853:∑ 4832:∑ 4789:− 4770:α 4752:∑ 4731:∑ 4641:∑ 4620:∑ 4586:⋅ 4554:∑ 4539:− 4486:α 4368:− 4350:∑ 4329:∑ 4325:− 4301:⋅ 4269:∑ 4149:− 4131:∑ 4110:∑ 4106:− 4053:− 3985:− 3967:∑ 3946:∑ 3942:− 3912:− 3892:⋅ 3869:− 3851:∑ 3830:∑ 3807:⋅ 3775:∑ 3654:− 3592:− 3558:∇ 3554:− 3436:− 3416:⋅ 3393:− 3375:∑ 3354:∑ 3330:⋅ 3312:− 3297:⋅ 3269:− 3251:∑ 3230:∑ 3199:⋅ 3166:⋅ 3138:− 3120:∑ 3099:∑ 3080:⋅ 3045:∑ 3024:∑ 3001:⋅ 2969:∑ 2903:⋅ 2868:∑ 2847:∑ 2832:− 2814:⋅ 2782:∑ 2767:− 2696:∑ 2602:⋅ 2543:∑ 2484:∑ 2330:⋅ 2298:∑ 2263:⋅ 2231:∑ 2195:⋅ 2136:∑ 2110:⋅ 2061:∑ 2025:⋅ 1993:∑ 1911:⋅ 1879:∑ 1853:⋅ 1793:∑ 1767:⋅ 1725:∑ 1600:⋅ 1568:∑ 1446:∑ 1385:∑ 1298:⟩ 1292:⟨ 1267:⋅ 1221:− 1212:− 1196:− 1171:⋅ 1132:∑ 1118:− 822:∫ 805:− 702:∑ 673:∫ 656:− 634:⟩ 628:⟨ 499:Consider 398:In 1870, 307:⟩ 294:⟨ 285:⟩ 279:⟨ 214:in 1870. 123:⋅ 84:∑ 69:− 21:mechanics 14670:53692146 14349:(1911). 14281:18596513 13948:(1980). 13773:See also 12239:⟩ 12226:⟨ 12202:(or the 12131:, where 12082:plasmoid 11412:boundary 9995:⟩ 9951:⟨ 9887:, where 9402:, where 9153:, where 9047:friction 8650:Examples 8518:⟩ 8437:⟨ 8422:⟩ 8338:⟨ 8323:⟩ 8302:⟨ 7853:, where 7082:⟩ 7040:⟨ 6997:⟩ 6977:⟨ 6314:galaxies 5914:⟩ 5870:⟨ 5801:⟩ 5781:⟨ 5754:⟩ 5722:⟨ 5683:⟩ 5677:⟨ 5655:⟩ 5635:⟨ 5604:⟩ 5572:⟨ 5536:⟩ 5530:⟨ 5512:⟩ 5489:⟨ 5310:⟩ 5287:⟨ 1637:momentum 1536:= | 1188:⟩ 1154:⟨ 1096:formula 405:vis viva 348:⟩ 341:⟨ 331:⟩ 327:⟨ 140:⟩ 106:⟨ 62:⟩ 56:⟨ 14897:Bibcode 14866:Bibcode 14707:Bibcode 14650:Bibcode 14590:Bibcode 14497:Bibcode 14495:: 116. 14457:Bibcode 14415:Bibcode 14378:Bibcode 14253:Bibcode 14194:Bibcode 14192:: 217. 14088:Bibcode 14038:Bibcode 13991:Bibcode 13968:5675073 13917:Bibcode 13873:Bibcode 13576:is the 13568:is the 13335:⁠ 13319:⁠ 13316:⁠ 13304:⁠ 13291:⁠ 13279:⁠ 13272:⁠ 13260:⁠ 13227:" and " 13203:⁠ 13191:⁠ 13187:⁠ 13175:⁠ 13012:kinetic 12374:⁠ 12362:⁠ 12122:⁠ 12106:⁠ 11870:is the 11690:is the 11682:is the 11674:is the 10051:By the 8744:Coulomb 7947:⁠ 7931:⁠ 7857:is the 7829:⁠ 7817:⁠ 7780:removed 7765:sources 7560:. Then 7260:Denote 7144:removed 7129:sources 6995:⁠ 6979:⁠ 6967:⁠ 6951:⁠ 6357:of the 6330:If the 5799:⁠ 5783:⁠ 5664:, then 5653:⁠ 5637:⁠ 2456:⁠ 2432:⁠ 2409:⁠ 2385:⁠ 1642:of the 1635:is the 421:⁠ 409:⁠ 394:History 334:equals 261:of the 179:on the 47:states 45:theorem 14915:  14876:  14847:  14818:  14791:  14733:  14725:  14668:  14563:  14279:  14271:  14214:  14165:  14106:  14056:  14009:  13966:  13956:  13883:  13564:where 13495:galaxy 13152:, the 12870:  12862:, and 12732:  12674:  12648:  12618:  12595:  12572:  12564:where 12189:where 11670:where 11251:tensor 10840:Zwicky 9005:spring 7326:. Let 7086:  6888:where 6717:  4921:where 2740:where 2358:where 1640:vector 1624:where 1547:| 1500:where 1368:origin 1358:scalar 237:form. 235:tensor 206:, the 200:virial 194:, and 154:where 23:, the 14913:S2CID 14731:S2CID 14697:arXiv 14666:S2CID 14640:arXiv 14306:. 5. 14296:"XV. 14277:S2CID 14243:arXiv 14054:S2CID 14007:S2CID 13752:Stars 13497:or a 13390:Here 7848:− 1) 7182:, is 1087:) = − 1025:) = − 579:) = − 540:) = − 489:stars 208:Latin 177:force 14874:ISBN 14845:ISBN 14816:ISBN 14789:ISBN 14723:ISSN 14561:ISBN 14269:ISSN 14212:ISSN 14163:ISSN 14104:ISSN 13964:OCLC 13954:ISBN 13881:ISBN 13732:crit 13642:crit 13572:and 13517:crit 11861:and 11704:and 11012:km/s 11008:1000 10852:1933 10836:Data 10511:< 10415:< 7924:and 7763:any 7761:cite 7193:Let 7127:any 7125:cite 6223:For 5825:and 5628:The 4980:< 4860:< 4759:< 4648:< 3732:= −∇ 3713:= −∇ 3522:and 2947:1 ≤ 2945:for 1511:and 1076:) ⋅ 1065:) = 1054:) ⋅ 1013:and 618:is 596:and 567:and 528:and 463:and 252:) = 37:work 14905:doi 14762:doi 14715:doi 14658:doi 14598:doi 14536:doi 14532:LXX 14505:doi 14493:118 14465:doi 14453:136 14423:doi 14386:doi 14374:102 14312:doi 14261:doi 14202:doi 14096:doi 14046:doi 13999:doi 13925:doi 13848:doi 13724:200 13711:200 13685:200 13672:vir 13631:200 13610:200 13597:vir 13461:max 13446:vir 13435:vir 13219:In 13189:or 13014:or 12490:sin 12358:≈ 1 12249:0.6 11346:lim 11304:lim 11266:lim 11149:3.6 10880:800 10566:), 9743:tan 9578:sin 9534:cos 9335:cos 9291:cos 9120:cos 9062:cos 8856:cos 8268:= − 7844:= ( 7774:by 7178:or 7138:by 6312:or 6279:TOT 6194:TOT 6031:min 6018:max 5995:lim 5932:lim 5849:lim 5831:max 5822:min 5808:= 0 5662:= 0 5243:TOT 5124:TOT 4943:TOT 4927:TOT 4903:TOT 3483:= − 2943:= 0 609:to 504:= 2 372:TOT 346:TOT 302:TOT 204:vis 14951:: 14911:. 14903:. 14893:37 14891:. 14872:. 14758:32 14756:. 14752:. 14729:. 14721:. 14713:. 14705:. 14693:31 14691:. 14687:. 14664:. 14656:. 14648:. 14636:29 14634:. 14596:. 14586:29 14584:. 14530:. 14526:. 14503:. 14491:. 14463:. 14451:. 14447:. 14421:. 14411:96 14409:. 14384:. 14372:. 14368:. 14308:50 14302:. 14275:. 14267:. 14259:. 14251:. 14239:90 14237:. 14233:. 14210:. 14200:. 14190:86 14188:. 14184:. 14157:. 14153:. 14141:^ 14124:. 14102:. 14094:. 14084:54 14082:. 14078:. 14066:^ 14052:. 14044:. 14034:82 14032:. 14028:. 14005:. 13997:. 13987:63 13985:. 13962:. 13937:^ 13923:. 13913:56 13911:. 13907:. 13879:. 13844:40 13323:GM 13302:~ 13277:~ 13258:= 12384:. 12328:≈ 12128:pR 12110:MR 12100:MR 12080:A 11874:, 11866:ik 11715:ik 11686:, 11678:, 11410:A 11212:11 11208:10 11160:14 11156:10 11099:. 10960:ly 10950:10 10907:10 10755:. 10652:. 10269:. 10055:, 9827:. 9620:. 8797:. 8274:kj 8265:jk 8258:, 8206:or 7929:= 7850:mc 7834:· 7815:= 7257:. 7190:. 7006:, 6991:dt 6983:dQ 6963:dt 6955:dQ 6530:, 6350:. 6316:. 6045:0. 5838:: 5795:dt 5787:dG 5649:dt 5641:dG 5265:. 4460:ij 3748:jk 3729:kj 3710:kj 3514:jk 3503:jk 3489:kj 3480:jk 2951:≤ 2940:jj 2747:jk 2452:dt 2430:= 2405:dt 2383:= 1327:, 1103:mv 1101:= 1089:Fr 491:. 475:. 467:. 459:, 455:, 451:, 447:, 443:, 439:, 366:, 254:αr 14919:. 14907:: 14899:: 14882:. 14868:: 14853:. 14824:. 14797:. 14770:. 14764:: 14737:. 14717:: 14709:: 14699:: 14672:. 14660:: 14652:: 14642:: 14604:. 14600:: 14592:: 14569:. 14544:. 14538:: 14511:. 14507:: 14499:: 14473:. 14467:: 14459:: 14429:. 14425:: 14417:: 14394:. 14388:: 14380:: 14318:. 14314:: 14300:" 14283:. 14263:: 14255:: 14245:: 14218:. 14204:: 14196:: 14169:. 14159:6 14135:. 14110:. 14098:: 14090:: 14060:. 14048:: 14040:: 14013:. 14001:: 13993:: 13970:. 13931:. 13927:: 13919:: 13889:. 13875:: 13854:. 13850:: 13767:n 13737:. 13716:3 13707:r 13698:3 13695:4 13690:= 13681:M 13668:M 13647:. 13628:= 13621:, 13618:r 13615:= 13606:r 13593:r 13574:G 13566:H 13549:G 13543:8 13536:2 13532:H 13528:3 13522:= 13471:. 13466:2 13442:R 13431:M 13427:G 13412:M 13398:R 13376:. 13371:2 13358:R 13354:M 13351:G 13331:R 13327:/ 13313:5 13310:/ 13307:3 13300:U 13294:σ 13288:2 13285:/ 13282:3 13275:v 13269:2 13266:/ 13263:1 13256:T 13251:σ 13200:2 13197:/ 13194:1 13184:5 13181:/ 13178:3 13170:p 13167:m 13161:B 13158:k 13150:G 13143:T 13139:v 13135:R 13131:M 13115:2 13111:v 13105:2 13102:1 13097:= 13089:p 13084:m 13079:T 13073:B 13068:k 13059:2 13056:3 13051:= 13046:R 13042:M 13039:G 13031:5 13028:3 12984:3 12980:x 12976:d 12970:2 12966:x 12962:d 12956:1 12952:x 12948:d 12942:g 12925:F 12912:F 12900:0 12892:4 12888:1 12883:= 12878:f 12874:W 12844:j 12821:3 12817:x 12813:d 12807:2 12803:x 12799:d 12793:1 12789:x 12785:d 12779:g 12765:j 12755:A 12748:= 12743:f 12740:k 12736:E 12712:, 12709:0 12706:= 12701:f 12697:W 12693:2 12690:+ 12685:f 12682:k 12678:E 12651:r 12626:0 12575:c 12550:, 12541:) 12533:0 12519:4 12512:c 12509:r 12503:( 12494:2 12484:2 12479:c 12469:2 12465:c 12457:2 12453:r 12447:0 12433:4 12424:1 12419:c 12416:= 12410:s 12407:m 12404:r 12399:v 12378:G 12371:2 12368:/ 12365:1 12355:c 12353:γ 12346:c 12344:γ 12339:T 12334:T 12332:c 12330:γ 12325:k 12323:W 12306:, 12298:k 12293:r 12283:k 12278:F 12268:N 12263:1 12260:= 12257:k 12234:k 12230:W 12195:s 12192:c 12175:, 12167:s 12162:c 12158:R 12137:τ 12133:p 12118:τ 12114:/ 12095:R 12091:M 12087:τ 12066:. 12062:) 12054:0 12043:k 12039:B 12033:i 12029:B 12022:+ 12017:k 12013:E 12007:i 12003:E 11997:0 11988:( 11979:k 11976:i 11967:) 11958:0 11950:2 11944:2 11940:B 11934:+ 11929:2 11923:2 11919:E 11913:0 11901:( 11897:= 11892:k 11889:i 11885:T 11864:T 11847:, 11838:n 11828:m 11819:k 11815:V 11809:i 11805:V 11786:k 11782:v 11776:i 11772:v 11759:m 11749:n 11742:= 11737:k 11734:i 11730:p 11713:p 11707:W 11701:W 11696:U 11688:T 11680:G 11672:I 11656:, 11651:i 11647:S 11643:d 11639:) 11634:k 11631:i 11627:T 11623:+ 11618:k 11615:i 11611:p 11607:( 11602:k 11598:x 11585:M 11580:W 11576:+ 11570:E 11565:W 11561:+ 11558:) 11555:U 11552:+ 11549:T 11546:( 11543:2 11540:= 11537:r 11532:3 11528:d 11520:t 11510:k 11506:G 11494:k 11490:x 11484:V 11476:+ 11468:2 11464:t 11460:d 11455:I 11450:2 11446:d 11437:2 11434:1 11398:. 11394:0 11391:= 11388:) 11382:( 11379:I 11374:2 11356:+ 11325:U 11314:+ 11300:= 11287:T 11276:+ 11262:2 11218:M 11201:8 11198:= 11195:m 11192:N 11166:M 11141:G 11132:2 11127:r 11123:v 11116:R 11113:5 11082:2 11077:r 11073:v 11066:3 11063:= 11055:2 11051:v 11021:2 11017:) 11005:( 11002:= 10994:2 10989:r 10985:v 10954:6 10946:= 10943:R 10917:M 10911:9 10903:= 10900:m 10877:= 10874:N 10813:r 10810:1 10802:G 10799:3 10789:2 10785:v 10778:5 10772:= 10769:m 10766:N 10741:R 10735:2 10731:m 10725:2 10721:N 10717:G 10709:5 10706:3 10698:= 10692:U 10666:U 10636:r 10631:/ 10626:1 10617:2 10613:m 10609:G 10604:2 10600:N 10594:2 10591:1 10583:= 10577:U 10544:j 10541:, 10538:i 10534:r 10528:/ 10523:1 10514:j 10508:i 10498:2 10494:m 10490:G 10484:= 10478:U 10451:j 10448:, 10445:i 10441:r 10434:2 10430:m 10426:G 10418:j 10412:i 10401:= 10398:U 10373:2 10369:v 10362:m 10359:N 10354:2 10351:1 10346:= 10340:T 10317:m 10297:N 10257:T 10254:k 10251:N 10248:= 10245:V 10242:P 10222:T 10219:k 10214:2 10211:3 10203:N 10200:= 10192:2 10188:v 10184:m 10179:2 10176:1 10168:N 10165:= 10159:T 10136:V 10133:3 10130:= 10127:V 10124:d 10118:3 10115:= 10112:V 10109:d 10105:r 10092:= 10089:A 10086:d 10082:r 10069:n 10039:A 10036:d 10032:r 10019:n 10008:2 10005:P 10000:= 9988:i 9983:r 9973:i 9968:F 9961:i 9944:2 9941:1 9933:= 9927:T 9898:n 9875:A 9872:d 9869:P 9860:n 9851:= 9847:F 9843:d 9805:) 9800:2 9787:2 9782:0 9774:( 9771:m 9754:= 9730:2 9726:) 9720:2 9707:2 9702:0 9694:( 9689:2 9685:m 9681:+ 9676:2 9666:2 9655:2 9651:F 9644:= 9639:X 9633:{ 9606:F 9599:X 9587:= 9543:t 9531:F 9521:x 9508:= 9484:x 9468:x 9433:m 9429:/ 9425:k 9420:= 9415:0 9390:X 9387:) 9382:2 9369:2 9364:0 9356:( 9353:m 9350:= 9347:) 9341:( 9332:F 9309:x 9306:) 9303:t 9297:( 9285:F 9270:x 9264:x 9255:+ 9249:x 9246:x 9240:k 9237:= 9225:x 9213:x 9204:m 9161:X 9141:) 9135:+ 9132:t 9126:( 9117:X 9114:= 9111:x 9077:) 9074:t 9068:( 9059:F 9056:+ 9034:t 9031:d 9026:x 9023:d 8995:x 8992:k 8982:= 8964:2 8960:t 8956:d 8951:x 8946:2 8942:d 8933:m 8891:k 8871:) 8868:t 8862:( 8853:F 8833:x 8813:m 8782:U 8774:2 8771:1 8763:= 8757:T 8727:U 8719:2 8716:n 8711:= 8705:T 8680:n 8676:r 8669:U 8634:, 8629:] 8625:2 8622:, 8619:1 8615:[ 8599:T 8596:O 8593:T 8588:V 8581:n 8570:T 8567:O 8564:T 8559:T 8552:2 8529:. 8512:k 8508:T 8503:) 8495:k 8487:2 8482:1 8479:+ 8474:k 8463:( 8457:N 8452:1 8449:= 8446:k 8432:= 8416:k 8412:T 8407:) 8402:2 8394:2 8389:k 8378:1 8373:+ 8370:1 8364:( 8358:N 8353:1 8350:= 8347:k 8333:= 8317:T 8314:O 8311:T 8306:V 8295:2 8292:n 8280:N 8270:F 8261:F 8242:T 8238:) 8229:2 8224:1 8221:+ 8212:( 8201:T 8197:) 8192:2 8184:2 8173:1 8168:+ 8165:1 8159:( 8134:. 8130:T 8126:) 8120:) 8117:1 8108:( 8105:2 8098:2 8084:( 8080:= 8068:2 8064:c 8060:m 8055:2 8042:2 8039:1 8034:= 8024:c 8013:c 8010:m 7997:2 7994:1 7989:= 7981:v 7973:p 7967:2 7964:1 7943:c 7939:/ 7935:v 7927:β 7905:2 7901:c 7895:2 7891:v 7882:1 7878:1 7873:= 7855:γ 7846:γ 7842:T 7836:v 7832:p 7826:2 7823:/ 7820:1 7813:T 7801:) 7795:( 7790:) 7786:( 7782:. 7768:. 7725:. 7722:x 7719:d 7715:) 7712:) 7709:x 7706:( 7703:u 7700:( 7697:G 7690:n 7685:R 7675:n 7672:= 7669:x 7666:d 7660:2 7655:| 7650:) 7647:x 7644:( 7641:u 7634:| 7626:n 7621:R 7610:) 7605:2 7601:2 7595:n 7589:( 7568:u 7544:, 7541:) 7538:u 7535:( 7532:g 7529:= 7526:u 7521:2 7493:, 7489:N 7482:n 7478:, 7475:) 7470:n 7465:R 7460:( 7455:1 7451:L 7444:) 7441:) 7435:( 7432:u 7429:( 7426:G 7422:, 7419:) 7414:n 7409:R 7404:( 7399:2 7395:L 7388:u 7381:, 7378:) 7373:n 7368:R 7363:( 7352:c 7349:o 7346:l 7341:L 7334:u 7314:t 7311:d 7307:) 7304:t 7301:( 7298:g 7293:s 7288:0 7280:= 7277:) 7274:s 7271:( 7268:G 7245:0 7242:= 7239:) 7236:0 7233:( 7230:g 7210:) 7207:s 7204:( 7201:g 7165:) 7159:( 7154:) 7150:( 7146:. 7132:. 7089:. 7073:n 7069:X 7065:d 7060:V 7057:d 7049:n 7045:X 7034:n 7026:= 7020:T 7014:2 6987:/ 6959:/ 6933:m 6930:2 6924:2 6919:n 6915:P 6907:n 6899:= 6896:T 6871:n 6867:X 6863:d 6858:V 6855:d 6847:n 6843:X 6837:n 6826:T 6823:2 6820:= 6817:] 6814:Q 6811:, 6808:H 6805:[ 6797:i 6773:n 6769:P 6763:n 6759:X 6753:n 6745:= 6742:Q 6720:. 6712:m 6707:2 6702:n 6698:P 6689:i 6678:n 6674:X 6670:d 6665:V 6662:d 6654:n 6650:X 6643:i 6640:= 6635:n 6631:P 6627:] 6622:n 6618:X 6614:, 6611:H 6608:[ 6605:+ 6602:] 6597:n 6593:P 6589:, 6586:H 6583:[ 6578:n 6574:X 6570:= 6567:] 6562:n 6558:P 6552:n 6548:X 6544:, 6541:H 6538:[ 6528:n 6509:n 6505:X 6501:d 6497:d 6489:i 6483:= 6478:n 6474:P 6461:n 6459:X 6441:m 6438:2 6432:2 6427:n 6423:P 6415:n 6407:+ 6402:) 6397:} 6392:i 6388:X 6384:{ 6379:( 6374:V 6371:= 6368:H 6294:. 6275:V 6266:2 6263:1 6255:= 6242:T 6229:n 6209:. 6190:V 6181:2 6178:n 6173:= 6158:k 6153:r 6143:k 6138:F 6128:N 6123:1 6120:= 6117:k 6107:2 6104:1 6096:= 6083:T 6068:n 6061:G 6042:= 6027:G 6014:G 5987:| 5978:) 5975:0 5972:( 5969:G 5963:) 5957:( 5954:G 5948:| 5928:= 5924:| 5908:t 5905:d 5897:d 5894:n 5891:u 5888:o 5885:b 5880:G 5876:d 5865:| 5836:τ 5828:G 5819:G 5813:G 5805:τ 5791:/ 5764:. 5748:k 5743:r 5733:k 5728:F 5715:N 5710:1 5707:= 5704:k 5693:= 5680:T 5672:2 5659:τ 5645:/ 5614:. 5598:k 5593:r 5583:k 5578:F 5565:N 5560:1 5557:= 5554:k 5546:+ 5533:T 5525:2 5522:= 5506:t 5503:d 5498:G 5495:d 5467:, 5458:) 5455:0 5452:( 5449:G 5443:) 5437:( 5434:G 5428:= 5425:G 5422:d 5416:) 5410:( 5407:G 5402:) 5399:0 5396:( 5393:G 5380:1 5375:= 5372:t 5369:d 5362:t 5359:d 5354:G 5351:d 5338:0 5325:1 5320:= 5304:t 5301:d 5296:G 5293:d 5275:τ 5239:V 5235:+ 5232:T 5229:2 5226:= 5218:2 5214:t 5210:d 5205:I 5200:2 5196:d 5187:2 5184:1 5179:= 5173:t 5170:d 5165:G 5162:d 5146:n 5130:. 5120:V 5116:n 5110:T 5107:2 5104:= 5099:k 5094:r 5084:k 5079:F 5072:N 5067:1 5064:= 5061:k 5053:+ 5050:T 5047:2 5044:= 5038:t 5035:d 5030:G 5027:d 5002:. 4996:k 4993:j 4989:V 4983:k 4977:j 4967:N 4962:1 4959:= 4956:k 4948:= 4939:V 4924:V 4899:V 4892:2 4889:n 4884:= 4879:k 4876:j 4872:V 4868:n 4863:k 4857:j 4847:N 4842:1 4839:= 4836:k 4825:2 4822:1 4817:= 4805:k 4802:j 4798:r 4792:1 4786:n 4781:k 4778:j 4774:r 4767:n 4762:k 4756:j 4746:N 4741:1 4738:= 4735:k 4724:2 4721:1 4716:= 4704:k 4701:j 4697:r 4688:k 4685:j 4681:r 4677:d 4670:k 4667:j 4663:V 4659:d 4651:k 4645:j 4635:N 4630:1 4627:= 4624:k 4613:2 4610:1 4605:= 4596:k 4591:r 4581:k 4576:F 4569:N 4564:1 4561:= 4558:k 4547:2 4544:1 4525:n 4521:α 4507:, 4502:n 4497:k 4494:j 4490:r 4483:= 4478:k 4475:j 4471:V 4458:r 4454:n 4450:V 4429:. 4424:k 4421:j 4417:r 4408:k 4405:j 4401:r 4397:d 4390:k 4387:j 4383:V 4379:d 4371:1 4365:k 4360:1 4357:= 4354:j 4344:N 4339:2 4336:= 4333:k 4322:T 4319:2 4316:= 4311:k 4306:r 4296:k 4291:F 4284:N 4279:1 4276:= 4273:k 4265:+ 4262:T 4259:2 4256:= 4250:t 4247:d 4242:G 4239:d 4210:. 4205:k 4202:j 4198:r 4189:k 4186:j 4182:r 4178:d 4171:k 4168:j 4164:V 4160:d 4152:1 4146:k 4141:1 4138:= 4135:j 4125:N 4120:2 4117:= 4114:k 4103:= 4089:k 4086:j 4082:r 4075:2 4070:| 4063:j 4058:r 4048:k 4043:r 4037:| 4025:k 4022:j 4018:r 4014:d 4007:k 4004:j 4000:V 3996:d 3988:1 3982:k 3977:1 3974:= 3971:j 3961:N 3956:2 3953:= 3950:k 3939:= 3928:) 3922:j 3917:r 3907:k 3902:r 3896:( 3887:k 3884:j 3879:F 3872:1 3866:k 3861:1 3858:= 3855:j 3845:N 3840:2 3837:= 3834:k 3826:= 3817:k 3812:r 3802:k 3797:F 3790:N 3785:1 3782:= 3779:k 3758:j 3754:k 3744:V 3739:j 3735:r 3725:V 3720:j 3716:r 3706:F 3689:, 3685:) 3678:k 3675:j 3671:r 3664:j 3659:r 3649:k 3644:r 3636:( 3627:k 3624:j 3620:r 3616:d 3609:k 3606:j 3602:V 3598:d 3589:= 3584:k 3581:j 3577:V 3569:k 3564:r 3551:= 3546:k 3543:j 3538:F 3524:k 3520:j 3510:r 3499:V 3485:F 3476:F 3452:) 3446:j 3441:r 3431:k 3426:r 3420:( 3411:k 3408:j 3403:F 3396:1 3390:k 3385:1 3382:= 3379:j 3369:N 3364:2 3361:= 3358:k 3350:= 3346:) 3340:j 3335:r 3325:k 3322:j 3317:F 3307:k 3302:r 3292:k 3289:j 3284:F 3278:( 3272:1 3266:k 3261:1 3258:= 3255:j 3245:N 3240:2 3237:= 3234:k 3226:= 3215:) 3209:j 3204:r 3194:j 3191:k 3186:F 3181:+ 3176:k 3171:r 3161:k 3158:j 3153:F 3147:( 3141:1 3135:k 3130:1 3127:= 3124:j 3114:N 3109:2 3106:= 3103:k 3095:= 3090:k 3085:r 3075:k 3072:j 3067:F 3060:N 3055:1 3052:= 3049:j 3039:N 3034:1 3031:= 3028:k 3020:= 3011:k 3006:r 2996:k 2991:F 2984:N 2979:1 2976:= 2973:k 2953:N 2949:j 2936:F 2919:. 2913:k 2908:r 2898:k 2895:j 2890:F 2883:N 2878:1 2875:= 2872:j 2862:N 2857:1 2854:= 2851:k 2840:2 2837:1 2829:= 2824:k 2819:r 2809:k 2804:F 2797:N 2792:1 2789:= 2786:k 2775:2 2772:1 2757:k 2753:j 2743:F 2726:k 2723:j 2718:F 2711:N 2706:1 2703:= 2700:j 2692:= 2687:k 2682:F 2670:j 2666:k 2660:k 2656:F 2634:. 2628:t 2625:d 2618:k 2613:r 2608:d 2596:t 2593:d 2586:k 2581:r 2576:d 2568:k 2564:m 2558:N 2553:1 2550:= 2547:k 2537:2 2534:1 2529:= 2524:2 2519:k 2515:v 2509:k 2505:m 2499:N 2494:1 2491:= 2488:k 2478:2 2475:1 2470:= 2467:T 2448:/ 2443:k 2439:r 2436:d 2427:k 2423:v 2414:T 2401:/ 2396:k 2392:p 2389:d 2380:k 2376:F 2371:k 2365:k 2361:m 2340:k 2335:r 2325:k 2320:F 2313:N 2308:1 2305:= 2302:k 2294:+ 2291:T 2288:2 2285:= 2273:k 2268:r 2258:k 2253:F 2246:N 2241:1 2238:= 2235:k 2227:+ 2221:t 2218:d 2211:k 2206:r 2201:d 2189:t 2186:d 2179:k 2174:r 2169:d 2161:k 2157:m 2151:N 2146:1 2143:= 2140:k 2132:= 2120:k 2115:r 2104:t 2101:d 2094:k 2089:p 2084:d 2076:N 2071:1 2068:= 2065:k 2057:+ 2051:t 2048:d 2041:k 2036:r 2031:d 2020:k 2015:p 2008:N 2003:1 2000:= 1997:k 1989:= 1979:t 1976:d 1971:G 1968:d 1951:G 1933:. 1929:G 1926:= 1921:k 1916:r 1906:k 1901:p 1894:N 1889:1 1886:= 1883:k 1875:= 1863:k 1858:r 1847:t 1844:d 1837:k 1832:r 1827:d 1818:k 1814:m 1808:N 1803:1 1800:= 1797:k 1789:= 1777:k 1772:r 1762:k 1757:r 1750:k 1746:m 1740:N 1735:1 1732:= 1729:k 1718:t 1715:d 1711:d 1704:2 1701:1 1696:= 1686:t 1683:d 1678:I 1675:d 1667:2 1664:1 1648:G 1644:k 1631:k 1627:p 1610:k 1605:r 1595:k 1590:p 1583:N 1578:1 1575:= 1572:k 1564:= 1561:G 1551:G 1543:k 1539:r 1533:k 1529:r 1524:k 1518:k 1514:r 1507:k 1503:m 1486:2 1481:k 1477:r 1471:k 1467:m 1461:N 1456:1 1453:= 1450:k 1442:= 1437:2 1432:| 1427:k 1422:r 1417:| 1410:k 1406:m 1400:N 1395:1 1392:= 1389:k 1381:= 1378:I 1364:I 1354:N 1339:) 1337:t 1335:( 1333:2 1330:F 1325:) 1323:t 1321:( 1319:1 1316:F 1301:, 1295:T 1289:= 1284:2 1280:v 1276:m 1273:= 1270:r 1262:r 1256:2 1252:v 1248:m 1242:= 1239:r 1236:F 1233:= 1230:) 1227:r 1224:F 1218:r 1215:F 1209:( 1204:2 1201:1 1193:= 1181:k 1176:r 1166:k 1161:F 1147:N 1142:1 1139:= 1136:k 1126:2 1123:1 1107:r 1105:/ 1099:F 1085:t 1083:( 1081:2 1078:r 1074:t 1072:( 1070:2 1067:F 1063:t 1061:( 1059:1 1056:r 1052:t 1050:( 1048:1 1045:F 1040:r 1036:) 1034:t 1032:( 1030:1 1027:r 1023:t 1021:( 1019:2 1016:r 1011:) 1009:t 1007:( 1005:1 1002:r 987:. 982:2 978:v 974:m 971:= 968:t 965:d 961:) 955:2 950:| 945:) 942:t 939:( 934:2 929:v 923:| 919:m 914:2 911:1 906:+ 901:2 896:| 891:) 888:t 885:( 880:1 875:v 869:| 865:m 860:2 857:1 851:( 843:2 839:t 831:1 827:t 813:1 809:t 800:2 796:t 791:1 786:= 783:t 780:d 775:2 770:| 766:) 763:t 760:( 755:k 750:v 744:| 737:k 733:m 727:2 724:1 717:N 712:1 709:= 706:k 694:2 690:t 682:1 678:t 664:1 660:t 651:2 647:t 642:1 637:= 631:T 615:2 612:t 606:1 603:t 598:F 594:v 590:) 588:t 586:( 584:1 581:F 577:t 575:( 573:2 570:F 565:) 563:t 561:( 559:1 556:F 551:) 549:t 547:( 545:1 542:v 538:t 536:( 534:2 531:v 526:) 524:t 522:( 520:1 517:v 512:r 508:m 502:N 433:N 418:2 415:/ 412:1 388:n 384:) 382:r 380:( 378:V 369:V 364:r 360:) 358:r 356:( 354:V 343:V 336:n 329:T 310:. 298:V 291:n 288:= 282:T 276:2 266:r 259:n 250:r 248:( 246:V 190:k 186:r 181:k 171:k 167:F 162:N 157:T 133:k 128:r 118:k 113:F 99:N 94:1 91:= 88:k 77:2 74:1 66:= 59:T

Index

mechanics
kinetic energy
conservative force
work
potential energy
theorem
force
angle brackets
Latin
Rudolf Clausius
statistical mechanics
temperature
equipartition theorem
thermal equilibrium
tensor
potential energy
interparticle distance
Rudolf Clausius
vis viva
Lagrange's identity
Karl Jacobi's
James Clerk Maxwell
Lord Rayleigh
Henri Poincaré
Subrahmanyan Chandrasekhar
Enrico Fermi
Paul Ledoux
Richard Bader
Eugene Parker
Fritz Zwicky

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