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Quantum vacuum state

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1312: 84: 3913: 46: 1720:) arguing along the lines that the short lifetime of virtual particles allows the "borrowing" of large energies from the vacuum and thus permits particle generation for short times. Although the phenomenon of virtual particles is accepted, this interpretation of the energy-time uncertainty relation is not universal. One issue is the use of an uncertainty relation limiting measurement accuracy as though a time uncertainty Δ 1795:(1994): "... all quantum fields have zero-point energies and vacuum fluctuations." This means that there is a component of the quantum vacuum respectively for each component field (considered in the conceptual absence of the other fields), such as the electromagnetic field, the Dirac electron-positron field, and so on. According to Milonni (1994), some of the effects attributed to the 1317: 1316: 1313: 1318: 1315: 1803:
between uncharged conductive plates is often proposed as an example of an effect of the vacuum electromagnetic field. Schwinger, DeRaad, and Milton (1978) are cited by Milonni (1994) as validly, though unconventionally, explaining the Casimir effect with a model in which "the vacuum is regarded as
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The basic idea here will be that the Casimir force may be derived from the source fields alone even in completely conventional QED, ... Milonni provides detailed argument that the measurable physical effects usually attributed to the vacuum electromagnetic field cannot be explained by that field
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alone, but require in addition a contribution from the self-energy of the electrons, or their radiation reaction. He writes: "The radiation reaction and the vacuum fields are two aspects of the same thing when it comes to physical interpretations of various QED processes including the
1751:). Various schemes have been advanced to construct an observable that has some kind of time interpretation, and yet does satisfy a canonical commutation relation with energy. Many approaches to the energy-time uncertainty principle are a long and continuing subject. 1636:" refers to the variance of the field strength in the minimal energy state, and is described picturesquely as evidence of "virtual particles". It is sometimes attempted to provide an intuitive picture of virtual particles, or variances, based upon the Heisenberg 1314: 1214:
According to present-day understanding of what is called the vacuum state or the quantum vacuum, it is "by no means a simple empty space". According to quantum mechanics, the vacuum state is not truly empty but instead contains fleeting
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truly a state with all physical properties equal to zero." In this model, the observed phenomena are explained as the effects of the electron motions on the electromagnetic field, called the source field effect. Milonni writes:
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This point of view is also stated by Jaffe (2005): "The Casimir force can be calculated without reference to vacuum fluctuations, and like all other observable effects in QED, it vanishes as the fine structure constant,
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Quantum corrections to Maxwell's equations are expected to result in a tiny nonlinear electric polarization term in the vacuum, resulting in a field-dependent electrical permittivity Δ deviating from the nominal value
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Davis; Harris, Joseph; Gammon; Smolyaninov; Kyuman Cho (2007). "Experimental Challenges Involved in Searches for Axion-Like Particles and Nonlinear Quantum Electrodynamic Effects by Sensitive Optical Techniques".
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Photon-photon interaction can occur only through interaction with the vacuum state of some other field, such as the Dirac electron-positron vacuum field; this is associated with the concept of
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This "borrowing" idea has led to proposals for using the zero-point energy of vacuum as an infinite reservoir and various "camps" about this interpretation. See, for example,
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from particle physics, outside quantum electrodynamics, also have been proposed. Experimentally measuring such an effect is challenging, and has not yet been successful.
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Quantities satisfying a canonical commutation rule are noncompatible observables, meaning they can both be measured simultaneously, only with limited precision. See
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It is impossible by any procedure, no matter how idealized, to reduce any assembly to the absolute zero in a finite number of operations. (See also.)
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Gies, Holger; Jaeckel, Joerg; Ringwald, Andreas (2006). "Polarized Light Propagating in a Magnetic Field as a Probe of Millicharged Fermions".
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Puthoff, H. E.; Little, S. R.; Ibison, M. (2001). "Engineering the Zero-Point Field and Polarizable Vacuum for Interstellar Flight".
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so that in the presence of a very strong electric field, the permittivity is increased by a tiny amount with respect to Δ
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A characteristic electric field strength for which the nonlinearities become sizable is predicted to be enormous, about
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The Theory of Photons and Electrons. The Relativistic Quantum Field Theory of Charged Particles with Spin One-half
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for an electromagnetic wave traveling in a direction other than the electric field. The effect is similar to the
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vanishes. For quantum field theories in which perturbation theory breaks down at low energies (for example,
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to be developed. QED originated in the 1930s, and in the late 1940s and early 1950s, it was reformulated by
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is that the energy of the quantum vacuum state must explain the physically observed cosmological constant.
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of the field theory. In this case, the vacuum has less symmetry than the theory allows, and one says that
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is sometimes used as a synonym for the vacuum state of a quantized field which is completely individual.
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E. W. Davis, V. L. Teofilo, B. Haisch, H. E. Puthoff, L. J. Nickisch, A. Rueda and D. C. Cole (2006), "
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Statistical Thermodynamics. A Version of Statistical Mechanics for Students of Physics and Chemistry
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has been estimated, being about 10 times smaller than the Kerr constant of water. Explanations for
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but without matter being present. This tiny nonlinearity can be interpreted in terms of virtual
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The spontaneous, temporary emergence of particles from vacuum is called a "vacuum fluctuation".
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Lowest-energy state of a field in quantum field theories, corresponding to no particles present
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Battesti, RĂ©my; et al. (November 2018). "High magnetic fields for fundamental physics".
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but can also be proved directly without these axioms. Poincaré invariance implies that only
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in the perpendicular direction. The quantum vacuum exposed to an electric field exhibits
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Lambrecht, Astrid (2002). Figger, Hartmut; Meschede, Dieter; Zimmermann, Claus (eds.).
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Schwinger, J.; DeRaad, L. L.; Milton, K. A. (1978). "Casimir effect in dielectrics".
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Observing mechanical dissipation in the quantum vacuum: an experimental challenge; in
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can have several physical interpretations, some more conventional than others. The
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Quest for zero point energy: engineering principles for 'free energy' inventions
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is the vacuum of quantum chromodynamics. It is the object of study in the
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For the Nobel prize details and the Nobel lectures by these authors, see
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Bednorz, Adam (November 2013). "Relativistic invariance of the vacuum".
2445: 2313: 1979: 1810: 1796: 1617: 1512: 1367: 1282: 1227: 773: 688: 553: 493: 185: 120: 2750:; Marian Grabowski; Pekka J. Lahti (1995). "§III.4: Energy and time". 3527: 3223: 3118:
Review of Experimental Concepts for Studying the Quantum Vacuum Field
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For all field states that have classical analog the field quadrature
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The presence of virtual particles can be rigorously based upon the
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Probing the quantum vacuum: perturbative effective action approach
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Wilks, J. (1971). The Third Law of Thermodynamics, Chapter 6 in
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If the quantum field theory can be accurately described through
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Delphenich, David (2006). "Nonlinear Electrodynamics and QED".
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The Quantum Vacuum. An Introduction to Quantum Electrodynamics
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The Quantum Vacuum. An Introduction to Quantum Electrodynamics
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The Quantum Vacuum. An Introduction to Quantum Electrodynamics
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in the direction of the electric field and slightly exceeding
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are unified (at very high energies only) in the theory of the
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This article is about the quantum vacuum. For other uses, see
2043:. Berlin, Germany/New York, New York: Springer. p. 197. 1269:
is a generalization of the QED work to include all the known
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Jaffe, R. L. (2005). Casimir effect and the quantum vacuum,
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Cosmic Understanding: Philosophy and Science of the Universe
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Historical Encyclopedia of Natural and Mathematical Sciences
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broadcast of Cosmology at Yearly Kos Science Panel, Part 1.
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values of the fields vanish in a quantum vacuum, their
1420:, the energy of the cosmological vacuum appears as the 3054:
http://1–5.cua.mit.edu/8.422_s07/jaffe2005_casimir.pdf
2930:, second expanded edition, Springer-Verlag, New York, 2167:. Vol. 1 (5th ed.). Springer. pp. 4892 1293:, and is related to the so-called vacuum structure of 2989: 1923: 1903: 1870: 1842: 1646: 1563: 3101: 2430: 1456:combinations of field operators have non-vanishing 2720:"§ 351 (XX.23) C: Canonical commutation relations" 2610: 2539:are also greater than or equal to this commutator. 2070:. London/New York: Routledge. Chapter 10, p. 205. 1951: 1909: 1881: 1856: 1706:is the accuracy in the measurement of energy and Δ 1678: 1582: 2665:The interaction will last for a certain duration 2205: 3929: 2877:Fundamental Principles. The Properties of Gases 2642: 2608: 2236:Sean Carroll, Sr Research Associate – Physics, 2158: 1386:, the non-zero vacuum expectation value of the 3071:The Structured Vacuum – thinking about nothing 3151: 2685: 2376:Mourou, G. A.; T. Tajima, and S. V. Bulanov, 2157:For a historical discussion, see for example 1300: 1164: 2513: 2130: 1946: 1924: 1876: 1851: 1724:determines a "budget" for borrowing energy Δ 1223:that pop into and out of the quantum field. 34:. For the classical notion of a vacuum, see 2909:, American Institute of Physics, New York, 2710: 2692:. Adventures Unlimited Press. pp. 124 2584:. Princeton University Press. p. 132. 2029: 2027: 3158: 3144: 2873:An Advanced Treatise on Physical Chemistry 2789: 2717: 2520:Modern nonlinear optics, Volume 85, Part 3 2507: 2306: 2300: 2206:Letessier, Jean; Rafelski, Johann (2002). 2126: 2124: 1710:is the time taken in the measurement, and 1624:. Non-commutation means that although the 1487: 1374:), field operators may have non-vanishing 1171: 1157: 82: 38:. For the related zero-point concept, see 3107: 2802: 2726:(2nd ed.). MIT Press. p. 1303. 2498: 2444: 2337: 2312: 2267: 2212:. Cambridge University Press. p. 37 2033: 1952:{\displaystyle \langle 0|\phi |0\rangle } 1672: 1273:and their interactions (except gravity). 3097:Nothingness: The Science of Empty Space. 2926:Jauch, J. M.; Rohrlich, F. (1955/1980). 2894:Physical Chemistry. An Advanced Treatise 2784: 2782: 2649:(2nd ed.). CRC Press. pp. 224 2247: 2199: 2131:Dittrich, Walter & Gies, H. (2000). 2024: 1779:may be precisely enunciated as follows: 1767:the quantum vacuum state." According to 1310: 44: 3090:An introduction to Quantum Field Theory 2617:. Cambridge University Press. pp.  2550: 2544: 2253: 2121: 14: 3930: 2740: 2724:Encyclopedic dictionary of mathematics 2635: 2601: 2577: 2571: 2523:. John Wiley & Sons. p. 462. 2370: 2151: 1408:The vacuum state is associated with a 1328:spontaneous parametric down-conversion 3165: 3139: 2779: 2557:. Taylor & Francis. p. 126. 1755:Physical nature of the quantum vacuum 2678: 2641:A vaguer description is provided by 1605: 2896:, Academic Press, New York, p. 477. 2551:Klyshko, David Nikolaevich (1988). 2063: 1322:The video of an experiment showing 24: 3088:M. E. Peskin and D. V. Schroeder, 3063: 2238:California Institute of Technology 2057: 1653: 1647: 1583:{\displaystyle 1.32\times 10^{18}} 25: 3959: 3124: 2407:Klein, James J. and B. P. Nigam, 2379:Optics in the relativistic regime 2186:"The Nobel Prize in Physics 1965" 1638:energy-time uncertainty principle 1234:(or QED) was the first vacuum of 3912: 3911: 2646:Quarks, leptons and the big bang 1740:, for example) do not satisfy a 1622:quantized electromagnetic fields 3039: 3018: 2983: 2962: 2941: 2920: 2899: 2882: 2865: 2845: 2485: 2424: 2401: 2321: 2256:The European Physical Journal C 2161:"Quantum electrodynamics (QED)" 2116:Physical Review Focus Dec. 1998 1836:The vacuum state is written as 1326:(in the red ring) amplified by 1291:Relativistic Heavy Ion Collider 32:Quantum vacuum (disambiguation) 3861:Relativistic quantum mechanics 2286:10.1140/epjc/s10052-013-2654-9 2230: 2209:Hadrons and Quark-Gluon Plasma 2109: 2092:"AIP Physics News Update,1996" 2084: 1939: 1931: 1872: 1844: 1742:canonical commutation relation 13: 1: 3839:Quantum statistical mechanics 3616:Quantum differential calculus 3538:Delayed-choice quantum eraser 3321:Symmetry in quantum mechanics 2517:; Kielich, Stanislaw (1994). 2463:10.1103/PhysRevLett.97.140402 2394:(no. 2), pp. 309–371, (2006) 2356:10.1016/j.physrep.2018.07.005 2159:Ari Ben-Menaáž„em, ed. (2009). 2017: 1474:spontaneous symmetry breaking 1392:spontaneous symmetry breaking 211:Spontaneous symmetry breaking 171:Symmetry in quantum mechanics 3012:10.1016/0003-4916(78)90172-0 2554:Photons and nonlinear optics 1831: 1797:vacuum electromagnetic field 1531:with a value slightly below 1444:field theory, the vacuum is 1252:electromagnetic interactions 7: 3641:Quantum stochastic calculus 3631:Quantum measurement problem 3553:Mach–Zehnder interferometer 2821:10.1007/978-3-540-73473-4_3 2754:Operational quantum physics 2410:Birefringence of the vacuum 2039:Laser physics at the limits 1962: 1777:third law of thermodynamics 1435: 10: 3964: 2907:A Survey of Thermodynamics 2871:Partington, J. R. (1949). 2578:Munitz, Milton K. (1990). 2421:, pp. B1279–B1280, (1964). 2067:Time, space and philosophy 1857:{\displaystyle |0\rangle } 1702:variations respectively; Δ 1609: 1525:permeability of free space 1491: 1401: 1346:, or more accurately, the 1304: 1301:Non-zero expectation value 206:Explicit symmetry breaking 29: 3907: 3869: 3821: 3701:Quantum complexity theory 3679:Quantum cellular automata 3654: 3586: 3520: 3433: 3397: 3384:Path integral formulation 3351: 3216: 3173: 3077:and Berndt Muller (1985) 2795:Time in Quantum Mechanics 2388:Reviews of Modern Physics 2064:Ray, Christopher (1991). 1882:{\displaystyle |\rangle } 1397: 1376:vacuum expectation values 1203:with the lowest possible 362:Bargmann–Wigner equations 3768:Quantum machine learning 3748:Quantum key distribution 3738:Quantum image processing 3728:Quantum error correction 3578:Wheeler's delayed choice 2643:Jonathan Allday (2002). 2609:P. C. W. Davies (1982). 1891:vacuum expectation value 1515:should exhibit a slight 1356:vacuum expectation value 1342:of a quantum mechanical 1307:Vacuum expectation value 3684:Quantum finite automata 3024:Milonni, P. W. (1994). 2968:Milonni, P. W. (1994). 2947:Milonni, P. W. (1994). 2613:The accidental universe 2433:Physical Review Letters 1990:Squeezed coherent state 1817:, and Casimir effects." 1718:Reduced Planck constant 1509:quantum electrodynamics 1488:Non-linear permittivity 1260:electroweak interaction 1232:quantum electrodynamics 387:Electroweak interaction 382:Quantum electrodynamics 357:Wheeler–DeWitt equation 244:Background field method 3788:Quantum neural network 2686:Moray B. King (2001). 1953: 1911: 1883: 1858: 1819: 1785: 1680: 1584: 1464:may break some of the 1416:in the laboratory. In 1364:Quantum chromodynamics 1331: 1275:Quantum chromodynamics 392:Quantum chromodynamics 269:Effective field theory 69: 3813:Quantum teleportation 3341:Wave–particle duality 2856:Guggenheim, Edward A. 2758:. Springer. pp.  1954: 1917:should be written as 1912: 1910:{\displaystyle \phi } 1884: 1859: 1806: 1781: 1681: 1585: 1448:, which follows from 1422:cosmological constant 1321: 1287:Large Hadron Collider 1217:electromagnetic waves 347:Klein–Gordon equation 289:LSZ reduction formula 48: 3938:Quantum field theory 3844:Quantum field theory 3773:Quantum metamaterial 3718:Quantum cryptography 3448:Consistent histories 2607:For an example, see 2137:. Berlin: Springer. 1921: 1901: 1868: 1840: 1815:van der Waals forces 1644: 1561: 1430:Theory of Everything 1354:. In this case, the 1271:elementary particles 1236:quantum field theory 1189:quantum vacuum state 1185:quantum field theory 430:Theory of everything 284:Lattice field theory 254:Correlation function 76:Quantum field theory 66:quantum field theory 3829:Quantum fluctuation 3798:Quantum programming 3758:Quantum logic gates 3743:Quantum information 3723:Quantum electronics 3198:Classical mechanics 3004:1978AnPhy.115....1S 2905:Bailyn, M. (1994). 2813:2002tqm..conf...69B 2718:Kiyosi ItĂŽ (1993). 2455:2006PhRvL..97n0402G 2348:2018PhR...765....1B 2278:2013EPJC...73.2654B 2005:Van der Waals force 1995:Quantum fluctuation 1789:vacuum polarization 1634:vacuum fluctuations 1505:vacuum permittivity 1466:internal symmetries 1352:measurement problem 1344:harmonic oscillator 1336:perturbation theory 1324:vacuum fluctuations 1295:strong interactions 1279:strong interactions 409:Incomplete theories 60:: ground state and 3882:in popular culture 3664:Quantum algorithms 3512:Von Neumann–Wigner 3492:Objective collapse 3203:Old quantum theory 3131:Energy into Matter 3047:Physical Review D, 2788:For a review, see 2000:Scharnhorst effect 1985:False vacuum decay 1949: 1907: 1879: 1854: 1801:Casimir attraction 1765:Gedankenexperiment 1676: 1632:do not. The term " 1590:V/m, known as the 1580: 1511:predicts that the 1476:has occurred. See 1446:PoincarĂ© invariant 1418:physical cosmology 1332: 294:Partition function 221:Topological charge 141:General relativity 136:Special relativity 70: 3925: 3924: 3899:Quantum mysticism 3877:Schrödinger's cat 3808:Quantum simulator 3778:Quantum metrology 3706:Quantum computing 3669:Quantum amplifier 3646:Quantum spacetime 3611:Quantum cosmology 3601:Quantum chemistry 3316:Scattering theory 3264:Zero-point energy 3259:Degenerate levels 3167:Quantum mechanics 3069:Free pdf copy of 2992:Annals of Physics 2830:978-3-540-73472-7 2772:978-3-540-59358-4 2733:978-0-262-59020-4 2703:978-0-932813-94-7 2660:978-0-7503-0806-9 2628:978-0-521-28692-3 2591:978-0-691-02059-4 2564:978-2-88124-669-2 2530:978-0-471-57548-1 2332:. 765–766: 1–39. 2223:978-0-521-38536-7 2178:978-3-540-68831-0 2144:978-3-540-67428-3 2077:978-0-415-03221-6 2050:978-3-540-42418-5 1895:Expectation value 1828:, goes to zero." 1775:(1939/1965), the 1670: 1606:Virtual particles 1594:; the equivalent 1410:zero-point energy 1372:superconductivity 1319: 1256:weak interactions 1191:(also called the 1181: 1180: 274:Expectation value 249:BRST quantization 196:PoincarĂ© symmetry 151:Yang–Mills theory 131:Quantum mechanics 40:Zero-point energy 16:(Redirected from 3955: 3915: 3914: 3626:Quantum geometry 3621:Quantum dynamics 3478:Superdeterminism 3374:Matrix mechanics 3229:Bra–ket notation 3160: 3153: 3146: 3137: 3136: 3113: 3111: 3109:astro-ph/0107316 3057: 3043: 3037: 3022: 3016: 3015: 2987: 2981: 2966: 2960: 2945: 2939: 2924: 2918: 2903: 2897: 2886: 2880: 2869: 2863: 2849: 2843: 2842: 2806: 2804:quant-ph/0105049 2786: 2777: 2776: 2757: 2744: 2738: 2737: 2714: 2708: 2707: 2682: 2676: 2675: 2639: 2633: 2632: 2616: 2605: 2599: 2598: 2575: 2569: 2568: 2548: 2542: 2541: 2515:Evans, Myron Wyn 2511: 2505: 2504: 2502: 2489: 2483: 2482: 2448: 2428: 2422: 2415:Physical Review, 2405: 2399: 2374: 2368: 2367: 2341: 2325: 2319: 2318: 2316: 2304: 2298: 2297: 2271: 2251: 2245: 2240:, June 22, 2006 2234: 2228: 2227: 2203: 2197: 2196: 2194: 2193: 2188:. Nobelprize.org 2182: 2155: 2149: 2148: 2128: 2119: 2113: 2107: 2106: 2104: 2103: 2094:. Archived from 2088: 2082: 2081: 2061: 2055: 2054: 2031: 1958: 1956: 1955: 1950: 1942: 1934: 1916: 1914: 1913: 1908: 1888: 1886: 1885: 1880: 1875: 1863: 1861: 1860: 1855: 1847: 1827: 1761:Astrid Lambrecht 1750: 1739: 1733: 1715: 1685: 1683: 1682: 1677: 1671: 1663: 1612:Virtual particle 1589: 1587: 1586: 1581: 1579: 1578: 1320: 1209:zero-point field 1173: 1166: 1159: 264:Effective action 191:Lorentz symmetry 116:Electromagnetism 86: 72: 71: 21: 3963: 3962: 3958: 3957: 3956: 3954: 3953: 3952: 3928: 3927: 3926: 3921: 3903: 3889:Wigner's friend 3865: 3856:Quantum gravity 3817: 3803:Quantum sensing 3783:Quantum network 3763:Quantum machine 3733:Quantum imaging 3696:Quantum circuit 3691:Quantum channel 3650: 3596:Quantum biology 3582: 3558:Elitzur–Vaidman 3533:Davisson–Germer 3516: 3468:Hidden-variable 3458:de Broglie–Bohm 3435:Interpretations 3429: 3393: 3347: 3234:Complementarity 3212: 3169: 3164: 3127: 3075:Johann Rafelski 3066: 3064:Further reading 3061: 3060: 3044: 3040: 3023: 3019: 2988: 2984: 2967: 2963: 2946: 2942: 2925: 2921: 2904: 2900: 2887: 2883: 2870: 2866: 2850: 2846: 2831: 2787: 2780: 2773: 2745: 2741: 2734: 2715: 2711: 2704: 2683: 2679: 2661: 2640: 2636: 2629: 2606: 2602: 2592: 2576: 2572: 2565: 2549: 2545: 2531: 2512: 2508: 2490: 2486: 2429: 2425: 2406: 2402: 2375: 2371: 2330:Physics Reports 2326: 2322: 2305: 2301: 2252: 2248: 2235: 2231: 2224: 2204: 2200: 2191: 2189: 2184: 2179: 2156: 2152: 2145: 2129: 2122: 2114: 2110: 2101: 2099: 2090: 2089: 2085: 2078: 2062: 2058: 2051: 2032: 2025: 2020: 2015: 1970:Pair production 1965: 1938: 1930: 1922: 1919: 1918: 1902: 1899: 1898: 1897:) of any field 1871: 1869: 1866: 1865: 1843: 1841: 1838: 1837: 1834: 1823: 1791:. According to 1757: 1745: 1735: 1729: 1711: 1662: 1645: 1642: 1641: 1618:non-commutation 1614: 1608: 1592:Schwinger limit 1574: 1570: 1562: 1559: 1558: 1555:pair production 1544: 1537: 1522: 1502: 1496: 1494:Schwinger limit 1490: 1478:Higgs mechanism 1450:Wightman axioms 1438: 1406: 1400: 1390:, arising from 1311: 1309: 1303: 1177: 1148: 1147: 1146: 1144: 448: 440: 439: 435:Quantum gravity 410: 402: 401: 397:Higgs mechanism 377: 367: 366: 352:Proca equations 337: 329: 328: 314:Renormalization 279:Feynman diagram 234: 226: 225: 166: 156: 155: 106: 91: 89:Feynman diagram 43: 28: 23: 22: 15: 12: 11: 5: 3961: 3951: 3950: 3948:Quantum states 3945: 3940: 3923: 3922: 3920: 3919: 3908: 3905: 3904: 3902: 3901: 3896: 3891: 3886: 3885: 3884: 3873: 3871: 3867: 3866: 3864: 3863: 3858: 3853: 3852: 3851: 3841: 3836: 3834:Casimir effect 3831: 3825: 3823: 3819: 3818: 3816: 3815: 3810: 3805: 3800: 3795: 3793:Quantum optics 3790: 3785: 3780: 3775: 3770: 3765: 3760: 3755: 3750: 3745: 3740: 3735: 3730: 3725: 3720: 3715: 3714: 3713: 3703: 3698: 3693: 3688: 3687: 3686: 3676: 3671: 3666: 3660: 3658: 3652: 3651: 3649: 3648: 3643: 3638: 3633: 3628: 3623: 3618: 3613: 3608: 3603: 3598: 3592: 3590: 3584: 3583: 3581: 3580: 3575: 3570: 3568:Quantum eraser 3565: 3560: 3555: 3550: 3545: 3540: 3535: 3530: 3524: 3522: 3518: 3517: 3515: 3514: 3509: 3504: 3499: 3494: 3489: 3484: 3483: 3482: 3481: 3480: 3465: 3460: 3455: 3450: 3445: 3439: 3437: 3431: 3430: 3428: 3427: 3422: 3417: 3412: 3407: 3401: 3399: 3395: 3394: 3392: 3391: 3386: 3381: 3376: 3371: 3366: 3361: 3355: 3353: 3349: 3348: 3346: 3345: 3344: 3343: 3338: 3328: 3323: 3318: 3313: 3308: 3303: 3298: 3293: 3288: 3283: 3278: 3273: 3268: 3267: 3266: 3261: 3256: 3251: 3241: 3239:Density matrix 3236: 3231: 3226: 3220: 3218: 3214: 3213: 3211: 3210: 3205: 3200: 3195: 3194: 3193: 3183: 3177: 3175: 3171: 3170: 3163: 3162: 3155: 3148: 3140: 3134: 3133: 3126: 3125:External links 3123: 3122: 3121: 3114: 3099: 3093: 3086: 3065: 3062: 3059: 3058: 3038: 3017: 2982: 2961: 2940: 2938:, pp. 287–288. 2919: 2898: 2890:Thermodynamics 2881: 2864: 2844: 2829: 2778: 2771: 2739: 2732: 2709: 2702: 2677: 2659: 2634: 2627: 2600: 2590: 2570: 2563: 2543: 2529: 2506: 2484: 2446:hep-ph/0607118 2439:(14): 140402. 2423: 2400: 2369: 2320: 2314:hep-th/0610088 2299: 2246: 2229: 2222: 2198: 2177: 2150: 2143: 2120: 2108: 2083: 2076: 2056: 2049: 2022: 2021: 2019: 2016: 2014: 2013: 2011:Casimir effect 2008: 2002: 1997: 1992: 1987: 1982: 1977: 1972: 1966: 1964: 1961: 1948: 1945: 1941: 1937: 1933: 1929: 1926: 1906: 1878: 1874: 1853: 1850: 1846: 1833: 1830: 1756: 1753: 1675: 1669: 1666: 1661: 1658: 1655: 1652: 1649: 1610:Main article: 1607: 1604: 1577: 1573: 1569: 1566: 1542: 1535: 1520: 1500: 1492:Main article: 1489: 1486: 1482:standard model 1437: 1434: 1414:Casimir effect 1402:Main article: 1399: 1396: 1384:Standard Model 1360:field operator 1305:Main article: 1302: 1299: 1267:Standard Model 1193:quantum vacuum 1179: 1178: 1176: 1175: 1168: 1161: 1153: 1150: 1149: 1142: 1141: 1136: 1131: 1126: 1121: 1116: 1111: 1106: 1101: 1096: 1091: 1086: 1081: 1076: 1071: 1066: 1061: 1056: 1051: 1046: 1041: 1036: 1031: 1026: 1021: 1016: 1011: 1006: 1001: 996: 991: 986: 981: 976: 971: 966: 961: 956: 951: 946: 941: 936: 931: 926: 921: 916: 911: 906: 901: 896: 891: 886: 881: 876: 871: 866: 861: 856: 851: 846: 841: 836: 831: 826: 821: 816: 811: 806: 801: 796: 791: 786: 781: 776: 771: 766: 761: 756: 751: 746: 741: 736: 731: 726: 721: 716: 711: 706: 701: 696: 691: 686: 681: 676: 671: 666: 661: 656: 651: 646: 641: 636: 631: 626: 621: 616: 611: 606: 601: 596: 591: 586: 581: 576: 571: 566: 561: 556: 551: 546: 541: 536: 531: 526: 521: 516: 511: 506: 501: 496: 491: 486: 481: 476: 471: 466: 461: 456: 450: 449: 446: 445: 442: 441: 438: 437: 432: 427: 422: 417: 411: 408: 407: 404: 403: 400: 399: 394: 389: 384: 378: 375:Standard Model 373: 372: 369: 368: 365: 364: 359: 354: 349: 344: 342:Dirac equation 338: 335: 334: 331: 330: 327: 326: 324:Wick's theorem 321: 316: 311: 309:Regularization 306: 301: 296: 291: 286: 281: 276: 271: 266: 261: 256: 251: 246: 241: 235: 232: 231: 228: 227: 224: 223: 218: 216:Noether charge 213: 208: 203: 201:Gauge symmetry 198: 193: 188: 183: 178: 173: 167: 162: 161: 158: 157: 154: 153: 148: 143: 138: 133: 128: 123: 118: 113: 107: 104: 103: 100: 99: 93: 92: 87: 79: 78: 62:excited states 26: 9: 6: 4: 3: 2: 3960: 3949: 3946: 3944: 3941: 3939: 3936: 3935: 3933: 3918: 3910: 3909: 3906: 3900: 3897: 3895: 3892: 3890: 3887: 3883: 3880: 3879: 3878: 3875: 3874: 3872: 3868: 3862: 3859: 3857: 3854: 3850: 3847: 3846: 3845: 3842: 3840: 3837: 3835: 3832: 3830: 3827: 3826: 3824: 3820: 3814: 3811: 3809: 3806: 3804: 3801: 3799: 3796: 3794: 3791: 3789: 3786: 3784: 3781: 3779: 3776: 3774: 3771: 3769: 3766: 3764: 3761: 3759: 3756: 3754: 3753:Quantum logic 3751: 3749: 3746: 3744: 3741: 3739: 3736: 3734: 3731: 3729: 3726: 3724: 3721: 3719: 3716: 3712: 3709: 3708: 3707: 3704: 3702: 3699: 3697: 3694: 3692: 3689: 3685: 3682: 3681: 3680: 3677: 3675: 3672: 3670: 3667: 3665: 3662: 3661: 3659: 3657: 3653: 3647: 3644: 3642: 3639: 3637: 3634: 3632: 3629: 3627: 3624: 3622: 3619: 3617: 3614: 3612: 3609: 3607: 3606:Quantum chaos 3604: 3602: 3599: 3597: 3594: 3593: 3591: 3589: 3585: 3579: 3576: 3574: 3573:Stern–Gerlach 3571: 3569: 3566: 3564: 3561: 3559: 3556: 3554: 3551: 3549: 3546: 3544: 3541: 3539: 3536: 3534: 3531: 3529: 3526: 3525: 3523: 3519: 3513: 3510: 3508: 3507:Transactional 3505: 3503: 3500: 3498: 3497:Quantum logic 3495: 3493: 3490: 3488: 3485: 3479: 3476: 3475: 3474: 3471: 3470: 3469: 3466: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3444: 3441: 3440: 3438: 3436: 3432: 3426: 3423: 3421: 3418: 3416: 3413: 3411: 3408: 3406: 3403: 3402: 3400: 3396: 3390: 3387: 3385: 3382: 3380: 3377: 3375: 3372: 3370: 3367: 3365: 3362: 3360: 3357: 3356: 3354: 3350: 3342: 3339: 3337: 3334: 3333: 3332: 3331:Wave function 3329: 3327: 3324: 3322: 3319: 3317: 3314: 3312: 3309: 3307: 3306:Superposition 3304: 3302: 3301:Quantum state 3299: 3297: 3294: 3292: 3289: 3287: 3284: 3282: 3279: 3277: 3274: 3272: 3269: 3265: 3262: 3260: 3257: 3255: 3254:Excited state 3252: 3250: 3247: 3246: 3245: 3242: 3240: 3237: 3235: 3232: 3230: 3227: 3225: 3222: 3221: 3219: 3215: 3209: 3206: 3204: 3201: 3199: 3196: 3192: 3189: 3188: 3187: 3184: 3182: 3179: 3178: 3176: 3172: 3168: 3161: 3156: 3154: 3149: 3147: 3142: 3141: 3138: 3132: 3129: 3128: 3119: 3115: 3110: 3105: 3100: 3098: 3094: 3091: 3087: 3084: 3083:3-87144-889-3 3080: 3076: 3072: 3068: 3067: 3055: 3052:: 021301(R), 3051: 3048: 3042: 3035: 3034:0-12-498080-5 3031: 3027: 3021: 3013: 3009: 3005: 3001: 2997: 2993: 2986: 2979: 2978:0-12-498080-5 2975: 2971: 2965: 2958: 2957:0-12-498080-5 2954: 2950: 2944: 2937: 2936:0-387-07295-0 2933: 2929: 2923: 2916: 2915:0-88318-797-3 2912: 2908: 2902: 2895: 2891: 2885: 2878: 2874: 2868: 2861: 2857: 2853: 2852:Fowler, Ralph 2848: 2840: 2836: 2832: 2826: 2822: 2818: 2814: 2810: 2805: 2800: 2796: 2792: 2785: 2783: 2774: 2768: 2764: 2761: 2756: 2755: 2749: 2743: 2735: 2729: 2725: 2721: 2713: 2705: 2699: 2695: 2691: 2690: 2681: 2674: 2672: 2668: 2662: 2656: 2652: 2648: 2647: 2638: 2630: 2624: 2620: 2615: 2614: 2604: 2597: 2593: 2587: 2583: 2582: 2574: 2566: 2560: 2556: 2555: 2547: 2540: 2538: 2532: 2526: 2522: 2521: 2516: 2510: 2501: 2496: 2488: 2480: 2476: 2472: 2468: 2464: 2460: 2456: 2452: 2447: 2442: 2438: 2434: 2427: 2420: 2416: 2412: 2411: 2404: 2397: 2393: 2389: 2385: 2384: 2383:Nonlinear QED 2380: 2373: 2365: 2361: 2357: 2353: 2349: 2345: 2340: 2335: 2331: 2324: 2315: 2310: 2303: 2295: 2291: 2287: 2283: 2279: 2275: 2270: 2265: 2261: 2257: 2250: 2243: 2239: 2233: 2225: 2219: 2215: 2211: 2210: 2202: 2187: 2180: 2174: 2170: 2166: 2162: 2154: 2146: 2140: 2136: 2135: 2127: 2125: 2117: 2112: 2098:on 2008-01-29 2097: 2093: 2087: 2079: 2073: 2069: 2068: 2060: 2052: 2046: 2042: 2041: 2040: 2030: 2028: 2023: 2012: 2009: 2006: 2003: 2001: 1998: 1996: 1993: 1991: 1988: 1986: 1983: 1981: 1978: 1976: 1975:Vacuum energy 1973: 1971: 1968: 1967: 1960: 1943: 1935: 1927: 1904: 1896: 1892: 1848: 1829: 1826: 1818: 1816: 1812: 1805: 1802: 1798: 1794: 1790: 1784: 1780: 1778: 1774: 1770: 1766: 1762: 1759:According to 1752: 1749: 1743: 1738: 1734:and momentum 1732: 1727: 1723: 1719: 1714: 1709: 1705: 1701: 1697: 1693: 1689: 1673: 1667: 1664: 1659: 1656: 1650: 1639: 1635: 1631: 1627: 1623: 1619: 1613: 1603: 1601: 1597: 1596:Kerr constant 1593: 1575: 1571: 1567: 1564: 1556: 1552: 1548: 1547:birefringence 1541: 1534: 1530: 1526: 1518: 1514: 1510: 1506: 1495: 1485: 1483: 1479: 1475: 1471: 1467: 1463: 1459: 1455: 1451: 1447: 1443: 1433: 1431: 1427: 1423: 1419: 1415: 1411: 1405: 1404:Vacuum energy 1395: 1393: 1389: 1385: 1381: 1377: 1373: 1369: 1365: 1361: 1358:(VEV) of any 1357: 1353: 1349: 1345: 1341: 1337: 1329: 1325: 1308: 1298: 1296: 1292: 1288: 1284: 1280: 1276: 1272: 1268: 1263: 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1229: 1224: 1222: 1218: 1212: 1210: 1206: 1202: 1201:quantum state 1198: 1194: 1190: 1186: 1174: 1169: 1167: 1162: 1160: 1155: 1154: 1152: 1151: 1145: 1140: 1137: 1135: 1132: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1114:Zamolodchikov 1112: 1110: 1109:Zamolodchikov 1107: 1105: 1102: 1100: 1097: 1095: 1092: 1090: 1087: 1085: 1082: 1080: 1077: 1075: 1072: 1070: 1067: 1065: 1062: 1060: 1057: 1055: 1052: 1050: 1047: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1010: 1007: 1005: 1002: 1000: 997: 995: 992: 990: 987: 985: 982: 980: 977: 975: 972: 970: 967: 965: 962: 960: 957: 955: 952: 950: 947: 945: 942: 940: 937: 935: 932: 930: 927: 925: 922: 920: 917: 915: 912: 910: 907: 905: 902: 900: 897: 895: 892: 890: 887: 885: 882: 880: 877: 875: 872: 870: 867: 865: 862: 860: 857: 855: 852: 850: 847: 845: 842: 840: 837: 835: 832: 830: 827: 825: 822: 820: 817: 815: 812: 810: 807: 805: 802: 800: 797: 795: 792: 790: 787: 785: 782: 780: 777: 775: 772: 770: 767: 765: 762: 760: 757: 755: 752: 750: 747: 745: 742: 740: 737: 735: 732: 730: 727: 725: 722: 720: 717: 715: 712: 710: 707: 705: 702: 700: 697: 695: 692: 690: 687: 685: 682: 680: 677: 675: 672: 670: 667: 665: 662: 660: 657: 655: 652: 650: 647: 645: 642: 640: 637: 635: 632: 630: 627: 625: 622: 620: 617: 615: 612: 610: 607: 605: 602: 600: 597: 595: 592: 590: 587: 585: 582: 580: 577: 575: 572: 570: 567: 565: 562: 560: 557: 555: 552: 550: 547: 545: 542: 540: 537: 535: 532: 530: 527: 525: 522: 520: 517: 515: 512: 510: 507: 505: 502: 500: 497: 495: 492: 490: 487: 485: 482: 480: 477: 475: 472: 470: 467: 465: 462: 460: 457: 455: 452: 451: 444: 443: 436: 433: 431: 428: 426: 423: 421: 420:Supersymmetry 418: 416: 415:String theory 413: 412: 406: 405: 398: 395: 393: 390: 388: 385: 383: 380: 379: 376: 371: 370: 363: 360: 358: 355: 353: 350: 348: 345: 343: 340: 339: 333: 332: 325: 322: 320: 317: 315: 312: 310: 307: 305: 302: 300: 297: 295: 292: 290: 287: 285: 282: 280: 277: 275: 272: 270: 267: 265: 262: 260: 257: 255: 252: 250: 247: 245: 242: 240: 237: 236: 230: 229: 222: 219: 217: 214: 212: 209: 207: 204: 202: 199: 197: 194: 192: 189: 187: 184: 182: 179: 177: 174: 172: 169: 168: 165: 160: 159: 152: 149: 147: 144: 142: 139: 137: 134: 132: 129: 127: 124: 122: 119: 117: 114: 112: 109: 108: 102: 101: 98: 95: 94: 90: 85: 81: 80: 77: 74: 73: 67: 63: 59: 55: 51: 50:Energy levels 47: 41: 37: 33: 19: 3636:Quantum mind 3548:Franck–Hertz 3410:Klein–Gordon 3359:Formulations 3352:Formulations 3281:Interference 3271:Entanglement 3249:Ground state 3244:Energy level 3217:Fundamentals 3181:Introduction 3096: 3089: 3049: 3046: 3041: 3025: 3020: 2995: 2991: 2985: 2969: 2964: 2948: 2943: 2927: 2922: 2906: 2901: 2893: 2889: 2884: 2876: 2875:, volume 1, 2872: 2867: 2859: 2847: 2794: 2762: 2753: 2742: 2723: 2712: 2693: 2688: 2680: 2670: 2666: 2664: 2650: 2645: 2637: 2612: 2603: 2595: 2580: 2573: 2553: 2546: 2534: 2519: 2509: 2487: 2436: 2432: 2426: 2418: 2414: 2409: 2403: 2391: 2387: 2382: 2378: 2372: 2329: 2323: 2302: 2262:(12): 2654. 2259: 2255: 2249: 2232: 2213: 2208: 2201: 2190:. 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Genz, 3036:, p. 418. 2980:, p. 239. 2917:, p. 342. 2537:variances 2500:0704.0748 2269:1209.0209 1947:⟩ 1936:ϕ 1925:⟨ 1905:ϕ 1877:⟩ 1852:⟩ 1832:Notations 1744:(such as 1665:ℏ 1660:≥ 1654:Δ 1648:Δ 1630:variances 1600:dichroism 1568:× 1382:. 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Index

Vacuum state
Quantum vacuum (disambiguation)
Vacuum
Zero-point energy

Energy levels
electron
atom
excited states
quantum field theory
Quantum field theory

Feynman diagram
History
Field theory
Electromagnetism
Weak force
Strong force
Quantum mechanics
Special relativity
General relativity
Gauge theory
Yang–Mills theory
Symmetries
Symmetry in quantum mechanics
C-symmetry
P-symmetry
T-symmetry
Lorentz symmetry
Poincaré symmetry

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