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Fluctuation–dissipation theorem

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5257: 7961: 4816: 5252:{\displaystyle \langle {\hat {x}}(0){\hat {x}}(t)\rangle ={\text{Tr }}e^{-\beta {\hat {H}}}{\hat {x}}(0){\hat {x}}(t)={\text{Tr }}{\hat {x}}(t)e^{-\beta {\hat {H}}}{\hat {x}}(0)={\text{Tr }}e^{-\beta {\hat {H}}}\underbrace {e^{\beta {\hat {H}}}{\hat {x}}(t)e^{-\beta {\hat {H}}}} _{{\hat {x}}(t-i\hbar \beta )}{\hat {x}}(0)=\langle {\hat {x}}(t-i\hbar \beta ){\hat {x}}(0)\rangle } 5773: 4801: 6674: 233:
that the same random forces that cause the erratic motion of a particle in Brownian motion would also cause drag if the particle were pulled through the fluid. In other words, the fluctuation of the particle at rest has the same origin as the dissipative frictional force one must do work against, if
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In the mid-1990s, in the study of dynamics of spin glass models, a generalization of the fluctuation–dissipation theorem was discovered that holds for asymptotic non-stationary states, where the temperature appearing in the equilibrium relation is substituted by an effective temperature with a
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Baity-Jesi Marco, Calore Enrico, Cruz Andres, Antonio Fernandez Luis, Miguel Gil-Narvión José, Gordillo-Guerrero Antonio, Iñiguez David, Maiorano Andrea, Marinari Enzo, Martin-Mayor Victor, Monforte-Garcia Jorge, Muñoz Sudupe Antonio, Navarro Denis, Parisi Giorgio, Perez-Gaviro Sergio,
174:. A wire loop with a resistor in it does not actually have zero current, it has a small and rapidly-fluctuating current caused by the thermal fluctuations of the electrons and atoms in the resistor. Johnson noise converts heat energy into electrical energy—the reverse of resistance. 1053: 7151: 6307: 6861:
are not equilibrated, and slowly approach their equilibrium state. This slow approach to equilibrium is synonymous with the violation of detailed balance. Thus these systems require large time-scales to be studied while they slowly move toward equilibrium.
2058: 1834: 1277: 3898: 730: 2965: 4605: 3658: 7159: 6446: 2751: 1523: 4542: 4216: 146:. An object in a fluid does not sit still, but rather moves around with a small and rapidly-changing velocity, as molecules in the fluid bump into it. Brownian motion converts heat energy into kinetic energy—the reverse of drag. 6125: 7592: 5768:{\displaystyle \int _{-\infty }^{+\infty }\langle {\hat {x}}(t-i\hbar \beta ){\hat {x}}(0)\rangle e^{i\omega t}dt=e^{-\beta \hbar \omega }\int _{-\infty }^{+\infty }\langle {\hat {x}}(t){\hat {x}}(0)\rangle e^{i\omega t}dt} 3335: 2148: 494: 7479: 4022: 6811: 891: 7030: 2343: 66:(in their general sense, not only in electromagnetic terms) of the same physical variable (like voltage, temperature difference, etc.), and vice versa. The fluctuation–dissipation theorem applies both to 5935: 3748: 6375: 6039: 5459: 4293: 3545: 5362: 1964: 844: 4107: 622: 1141: 190:
When light impinges on an object, some fraction of the light is absorbed, making the object hotter. In this way, light absorption turns light energy into heat. The corresponding fluctuation is
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The fluctuation–dissipation theorem can be generalized in a straightforward way to the case of space-dependent fields, to the case of several variables or to a quantum-mechanics setting.
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The fluctuation–dissipation theorem says that when there is a process that dissipates energy, turning it into heat (e.g., friction), there is a reverse process related to
7362: 6967: 6938: 6855: 2369: 424: 6745: 2535: 3210: 1959: 1715: 1364: 7484: 4796:{\displaystyle {\text{Im}}\left={\frac {1}{2\hbar }}\int _{-\infty }^{+\infty }\langle {\hat {x}}(t){\hat {x}}(0)-{\hat {x}}(0){\hat {x}}(t)\rangle e^{i\omega t}dt.} 6708: 6669:{\displaystyle {\frac {S_{x}(\omega )+S_{x}(-\omega )}{2}}=2\hbar \left{\text{Im}}\left=\hbar \coth \left({\frac {\hbar \omega }{2k_{B}T}}\right){\text{Im}}\left.} 3930: 1679: 1650: 1552: 1393: 1317: 7596:
Their results confirm the expectation that as the system is left to equilibrate for longer times, the fluctuation-dissipation relation is closer to be satisfied.
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thus, differently from what obtained in the classical case, the power spectral density is not exactly frequency-symmetric in the quantum limit. Consistently,
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Umberto Marini Bettolo Marconi; Andrea Puglisi; Lamberto Rondoni; Angelo Vulpiani (2008). "Fluctuation-Dissipation: Response Theory in Statistical Physics".
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Ricci-Tersenghi Federico, Jesus Ruiz-Lorenzo Juan, Fabio Schifano Sebastiano, Seoane Beatriz, Tarancón Alfonso, Tripiccione Raffaele, Yllanes David (2017).
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Clerk, A. A.; Devoret, M. H.; Girvin, S. M.; Marquardt, Florian; Schoelkopf, R. J. (2010). "Introduction to Quantum Noise, Measurement and Amplification".
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non-trivial dependence on the time scales. This relation is proposed to hold in glassy systems beyond the models for which it was initially found.
7321:{\displaystyle C(t+t_{\rm {w}},t_{\rm {w}})\equiv {\frac {1}{V}}\left.\sum _{x}\langle S_{x}(t_{\rm {w}})S_{x}(t+t_{\rm {w}})\rangle \right|_{H=0}} 4409: 2237:. The spectrum of fluctuations reveal the linear response, because past fluctuations cause future fluctuations via a linear response upon itself. 4599:
in the presence of a perturbing source. Once Fourier transformed, the Kubo formula allows writing the imaginary part of the response function as
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This observation can be understood through the lens of the fluctuation-dissipation theorem. Take, for example, a simple circuit consisting of a
6869:, performed numerical simulations of macroscopic systems (i.e. large compared to their correlation lengths) described by the three-dimensional 432: 8295:
Cristani A, Ritort F (2003). "Violation of the fluctuation-dissipation theorem in glassy systems: basic notions and the numerical evidence".
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We derive the fluctuation–dissipation theorem in the form given above, using the same notation. Consider the following test case: the field
1048:{\displaystyle S_{V}(\omega )={\frac {S_{Q}(\omega )}{C^{2}}}\approx {\frac {2k_{\rm {B}}T}{C^{2}\omega }}{\text{Im}}\left=2Rk_{\rm {B}}T} 6750: 194:(e.g., the glow of a "red hot" object). Thermal radiation turns heat energy into light energy—the reverse of light absorption. Indeed, 2286: 166:
in it, the current will rapidly go to zero because of the resistance. Resistance dissipates electrical energy, turning it into heat (
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using supercomputers. In their simulations, the system is initially prepared at a high temperature, rapidly cooled to a temperature
7705:"Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen" 7481:
is the magnetization density. The fluctuation-dissipation relation in this system can be written in terms of these observables as
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The fluctuation–dissipation theorem relates the two-sided power spectrum (i.e. both positive and negative frequencies) of
7146:{\displaystyle \chi (t+t_{\rm {w}},t_{\rm {w}})\equiv \left.{\frac {\partial m(t+t_{\rm {w}})}{\partial H}}\right|_{H=0}} 4049: 565: 4400:
in the frequency domain (a measure of dissipation). A link between these quantities can be found through the so-called
1097: 6302:{\displaystyle S_{x}(-\omega )=e^{-\beta \hbar \omega }S_{x}(\omega )=2\hbar \left{\text{Im}}\left\neq S_{x}(+\omega )} 242: 8458: 8439: 8420: 8398: 8379: 1287:
The fluctuation–dissipation theorem can be formulated in many ways; one particularly useful form is the following:.
6825:, when detailed balance is violated comparison of fluctuations to dissipation is more complex. Below the so called 4558: 8210: 3371: 2374: 2243: 2181: 2053:{\displaystyle S_{x}(\omega )=-{\frac {2k_{\mathrm {B} }T}{\omega }}\operatorname {Im} {\hat {\chi }}(\omega ).} 1829:{\displaystyle \langle x(t)\rangle =\langle x\rangle _{0}+\int _{-\infty }^{t}\!f(\tau )\chi (t-\tau )\,d\tau ,} 8497: 7609: 4301: 1272:{\displaystyle \langle V^{2}\rangle \approx S_{V}(\omega )\times 2\Delta \nu \approx 4Rk_{\rm {B}}T\Delta \nu } 6821:
While the fluctuation–dissipation theorem provides a general relation between the response of systems obeying
5506: 2973: 8147: 8049:; Kurchan J. (1993). "Analytical solution of the off-equilibrium dynamics of a long-range spin-glass model". 5468: 3063: 1897: 1146: 1092: 3893:{\displaystyle -{\hat {\chi }}(\omega )=i\omega \beta \int _{0}^{\infty }e^{-i\omega t}A(t)\,dt-\beta A(0).} 2448: 250: 8154: 7619: 5367: 1398: 1061: 725:{\displaystyle \chi (\omega )\equiv {\frac {Q(\omega )}{V(\omega )}}={\frac {1}{{\frac {1}{C}}-i\omega R}}} 3766:
To make a statement about frequency dependence, it is necessary to take the Fourier transform of equation
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is the equilibrium distribution in the absence of a field. Plugging this approximation in the formula for
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This is the classical form of the theorem; quantum fluctuations are taken into account by replacing
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confirms that the more effectively an object absorbs light, the more thermal radiation it emits.
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To study the violation of the fluctuation-dissipation relation in glassy systems, particularly
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Note that in the absence of a field the system is invariant under time-shifts. We can rewrite
3179: 1935: 1691: 1333: 8026: 7624: 1328: 340: 238: 7845: 3653:{\displaystyle f_{0}\int _{0}^{\infty }d\tau \,\chi (\tau )\theta (\tau -t)=\beta f_{0}A(t)} 8314: 8275: 8246: 8176: 8122: 8068: 7986: 7928: 7867: 7810: 7760: 7718: 7674: 7154: 6437: 6377:
has an imaginary part originating from the commutation rules of operators. The additional "
4227: 328: 63: 55: 6682: 3906: 1655: 1626: 1528: 1369: 1293: 8: 8046: 6711: 1518:{\displaystyle S_{x}(\omega )=\langle {\hat {x}}(\omega ){\hat {x}}^{*}(\omega )\rangle } 120: 47: 8318: 8279: 8250: 8180: 8126: 8072: 7990: 7932: 7871: 7814: 7764: 7722: 7678: 6380: 8330: 8304: 8236: 8192: 8166: 8092: 8058: 8009: 7976: 7964: 7944: 7918: 7891: 7857: 7826: 7709: 7660: 7634: 7387: 7367: 6972: 4807: 4028: 2544: 2538: 2157: 1874: 538: 514: 354: 320: 82: 8326: 8454: 8435: 8416: 8394: 8375: 8353: 8287: 8214: 8196: 8084: 8014: 7948: 7883: 7830: 7822: 7025: 6826: 6813:, i.e. the quantum contribution is negligible, and we recover the classical version. 6715: 4296: 4211:{\displaystyle S_{x}(\omega )=-{\frac {2k_{\text{B}}T}{\omega }}\operatorname {Im} .} 4040: 1892: 628: 306: 191: 184: 71: 67: 8334: 8322: 8283: 8254: 8184: 8130: 8096: 8076: 8004: 7994: 7936: 7895: 7875: 7818: 7768: 7726: 7682: 6822: 4552: 2960:{\displaystyle W(x,0)={\frac {\exp(-\beta H(x))}{\int dx'\,\exp(-\beta H(x'))}}\,,} 1324: 214: 51: 8188: 8266:
Felderhof BU (1978). "On the derivation of the fluctuation-dissipation theorem".
8227: 8157: 7751: 7700: 7665: 6120:{\displaystyle n_{\rm {BE}}(\omega )=\left(e^{\beta \hbar \omega }-1\right)^{-1}} 230: 226: 143: 132: 99: 94: 90: 7587:{\displaystyle T\chi (t+t_{\rm {w}},t_{\rm {w}})=1-C(t+t_{\rm {w}},t_{\rm {w}})} 8080: 7940: 7656: 5462: 4036: 1429: 309: 139: 128: 78: 7704: 3547:
using the susceptibility of the system and hence find with the above equation
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A simple circuit for illustrating Johnson–Nyquist thermal noise in a resistor.
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using the cyclic property of trace. Next, in the third equality, we inserted
2415: 351:. With no applied current, the mean-square voltage depends on the resistance 344: 213:
that quantifies the relation between the fluctuations in a system that obeys
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H. B. Callen, T. A. Welton (1951). "Irreversibility and Generalized Noise".
7999: 4537:{\displaystyle \chi (t-t')={\frac {i}{\hbar }}\theta (t-t')\langle \rangle } 8367: 8088: 8018: 7887: 7772: 6866: 4401: 3330:{\displaystyle \langle x(t)\rangle =\langle x\rangle _{0}+\beta f_{0}A(t),} 2143:{\displaystyle f(\omega )=\int _{-\infty }^{\infty }f(t)e^{-i\omega t}\,dt} 8134: 7686: 2746:{\displaystyle \langle x(t)\rangle =\int dx'\int dx\,x'P(x',t|x,0)W(x,0).} 54:. Given that a system obeys detailed balance, the theorem is a proof that 8408: 8309: 8063: 7862: 5822:
can be easily rewritten as the quantum fluctuation-dissipation relation
1525:. Suppose that we can switch on a time-varying, spatially constant field 489:{\displaystyle \langle V^{2}\rangle \approx 4Rk_{\rm {B}}T\,\Delta \nu .} 7474:{\textstyle m(t)\equiv {\frac {1}{V}}\sum _{x}\langle S_{x}(t)\rangle } 6858: 6440:. An often cited result is also the symmetrized power spectral density 4017:{\displaystyle 2\operatorname {Im} =-\omega \beta {\hat {A}}(\omega ).} 1320: 86: 59: 7879: 499: 1839:
where the perturbation is adiabatically (very slowly) switched on at
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which then can be linked to the power spectral density function
8469: 2338:{\displaystyle \hbar \,\coth(\hbar \omega /2k_{\mathrm {B} }T)} 58:
in a physical variable predict the response quantified by the
7749:(1928). "Thermal Agitation of Electric Charge in Conductors". 8141: 6436:
at positive frequencies can also be thought of as linked to
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one tries to perturb the system in a particular direction.
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The fluctuation–dissipation theorem is a general result of
8374:. Austin TX: University of Texas Press. pp. 545–595. 8112: 6370:{\displaystyle \langle {\hat {x}}(t){\hat {x}}(0)\rangle } 6034:{\displaystyle \langle {\hat {x}}(t){\hat {x}}(0)\rangle } 5454:{\displaystyle e^{-{\frac {i}{\hbar }}{\hat {H}}\Delta t}} 4288:{\displaystyle \langle {\hat {x}}(t){\hat {x}}(0)\rangle } 3540:{\displaystyle \langle x(t)\rangle -\langle x\rangle _{0}} 2764:,0) is an equilibrium distribution and hence given by the 162:
If electric current is running through a wire loop with a
89:. There are antecedents to the general theorem, including 8393:. Englewood Cliffs, NJ: Prentice Hall. pp. 251–296. 5357:{\displaystyle e^{-\beta {\hat {H}}}e^{\beta {\hat {H}}}} 217:
and the response of the system to applied perturbations.
8434:. New York: John Wiley and Sons. pp. 153, 394–396. 7850:
Chaos: An Interdisciplinary Journal of Nonlinear Science
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distribution function. The same calculation also yields
4295:(a measure of fluctuation) to the imaginary part of the 123:. This is best understood by considering some examples: 8388: 3770:. By integrating by parts, it is possible to show that 2174:, the right-hand side is closely related to the energy 885:
of the voltage via the fluctuation-dissipation theorem
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If an object is moving through a fluid, it experiences
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Thermodynamics and an Introduction to Thermostatistics
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Kubo R (1966). "The fluctuation-dissipation theorem".
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Blundell, Stephen J.; Blundell, Katherine M. (2009).
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has been on for infinite time and is switched off at
2377: 2351: 2289: 2246: 2184: 2160: 2068: 1967: 1938: 1900: 1877: 1845: 1726: 1694: 1658: 1629: 1560: 1531: 1437: 1401: 1372: 1336: 1296: 1188: 1149: 1100: 1064: 894: 855: 839:{\displaystyle {\text{Im}}\left\approx \omega RC^{2}} 789: 741: 640: 568: 541: 517: 435: 409: 377: 357: 253: 8294: 114: 8453:. New York: John Wiley and Sons. pp. 307–325. 8225:Weber J (1956). "Fluctuation Dissipation Theorem". 8220:
Kubo's famous text: Fluctuation-dissipation theorem
7024:, two dynamical observables are probed, namely the 4102:{\displaystyle S_{x}(\omega )={\hat {A}}(\omega ).} 2062:which holds under the Fourier transform convention 617:{\displaystyle V=-R{\frac {dQ}{dt}}+{\frac {Q}{C}}} 8470:"Easy as Pi: The Fluctuation-Dissipation Relation" 7586: 7473: 7396: 7376: 7356: 7320: 7145: 7016: 6981: 6961: 6932: 6903: 6849: 6805: 6739: 6702: 6668: 6428: 6392: 6369: 6301: 6119: 6033: 5968: 5929: 5814: 5767: 5531: 5495: 5453: 5398: 5356: 5292: 5251: 4795: 4591: 4536: 4392: 4287: 4210: 4101: 4016: 3924: 3892: 3742: 3652: 3539: 3482: 3329: 3239: 3204: 3165: 3049: 3010: 2959: 2827: 2745: 2615: 2553: 2529: 2497: 2406: 2363: 2337: 2275: 2229: 2178:by the system when pumped by an oscillatory field 2166: 2142: 2052: 1953: 1924: 1883: 1860: 1828: 1709: 1673: 1644: 1615: 1546: 1517: 1420: 1387: 1358: 1311: 1271: 1171: 1136:{\displaystyle \Delta \nu =\Delta \omega /(2\pi )} 1135: 1083: 1047: 877: 838: 772: 724: 616: 547: 523: 488: 418: 395: 363: 283: 77:The fluctuation–dissipation theorem was proven by 8415:. Oxford: Pergamon Press. pp. 443, 474–477. 7663:(1951). "Irreversibility and Generalized Noise". 5976:is the Fourier transform of the auto-correlation 4226:The fluctuation-dissipation theorem relates the 1785: 50:for predicting the behavior of systems that obey 8489: 7846:"Fundamental aspects of quantum Brownian motion" 7785: 1366:subject to thermal fluctuations. The observable 7969:Proceedings of the National Academy of Sciences 7651: 7649: 6940:, and left to equilibrate for a very long time 6816: 237:From this observation Einstein was able to use 5262:where in the second equality we re-positioned 334: 4592:{\displaystyle \langle {\hat {x}}(t)\rangle } 8345:Introduction to Modern Statistical Mechanics 8265: 8031:: CS1 maint: multiple names: authors list ( 7646: 7468: 7446: 7298: 7233: 6364: 6319: 6028: 5983: 5740: 5695: 5627: 5570: 5246: 5189: 4865: 4820: 4765: 4675: 4586: 4562: 4547:which follows, under the assumptions of the 4531: 4472: 4282: 4237: 3528: 3521: 3515: 3500: 3468: 3455: 3448: 3418: 3411: 3390: 3287: 3280: 3274: 3259: 3234: 3219: 3145: 3138: 2647: 2632: 1755: 1748: 1742: 1727: 1512: 1460: 1409: 1402: 1202: 1189: 1078: 1065: 449: 436: 7779: 8407: 8341: 3483:{\displaystyle A(t)=\langle \rangle _{0}.} 2541:. We can express the expectation value of 2407:{\displaystyle 2k_{\mathrm {B} }T/\omega } 2276:{\displaystyle 2k_{\mathrm {B} }T/\omega } 2230:{\displaystyle f(t)=F\sin(\omega t+\phi )} 8448: 8366: 8308: 8240: 8170: 8062: 8008: 7998: 7980: 7955: 7922: 7861: 7844:Hänggi Peter, Ingold Gert-Ludwig (2005). 7745: 7730: 4810:, the second term can be re-expressed as 4393:{\displaystyle {\text{Im}}\left=\left/2i} 3862: 3591: 2953: 2914: 2676: 2418:, an identity from quantum field theory. 2293: 2133: 1816: 476: 264: 7699: 5532:{\displaystyle e^{-\beta \hbar \omega }} 5503:. The imaginary time shift turns into a 3011:{\displaystyle \beta ^{-1}=k_{\rm {B}}T} 2414:). A proof can be found by means of the 1681:is characterized to first order by the 498: 8467: 8429: 8224: 8213:of a lecture by Prof. E. W. Carlson of 5496:{\displaystyle \Delta t=-i\hbar \beta } 4551:theory, from the time evolution of the 3932:is real and symmetric, it follows that 3166:{\displaystyle W(x,0)\approx W_{0}(x),} 1925:{\displaystyle {\hat {\chi }}(\omega )} 1172:{\displaystyle \omega =\pm \omega _{0}} 14: 8490: 8372:A Modern Course in Statistical Physics 7800: 3361:) is the auto-correlation function of 2756:The probability distribution function 2498:{\displaystyle f(t)=f_{0}\theta (-t),} 1282: 1091:was observed within a small frequency 284:{\displaystyle D={\mu \,k_{\rm {B}}T}} 8142:L. D. Landau, E. M. Lifshitz (1980). 5399:{\displaystyle e^{-\beta {\hat {H}}}} 1428:with fluctuations characterized by a 1421:{\displaystyle \langle x\rangle _{0}} 1395:will fluctuate around its mean value 1084:{\displaystyle \langle V^{2}\rangle } 204: 8348:. Oxford University Press. pp.  3665: 3249: 3240:{\displaystyle \langle x(t)\rangle } 3057:, we can expand the right-hand side 2828:{\displaystyle H(x)=H_{0}(x)-xf_{0}} 2429: 773:{\displaystyle \omega \ll (RC)^{-1}} 426:over which the voltage is measured: 196:Kirchhoff's law of thermal radiation 170:). The corresponding fluctuation is 2569:,0) and the transition probability 1616:{\displaystyle H(x)=H_{0}(x)-f(t)x} 24: 8204: 7575: 7560: 7524: 7509: 7289: 7255: 7196: 7181: 7118: 7107: 7086: 7067: 7052: 7008: 6953: 6924: 6895: 6841: 6763: 6760: 6526: 6523: 6227: 6224: 6057: 6054: 5874: 5871: 5690: 5682: 5565: 5557: 5472: 5443: 5364:next to the trace and interpreted 4670: 4662: 4221: 4043:of the auto-correlation function: 3826: 3580: 2999: 2387: 2323: 2256: 2097: 2092: 2005: 1855: 1775: 1263: 1254: 1233: 1110: 1101: 1058:The Johnson–Nyquist voltage noise 1036: 967: 477: 467: 410: 384: 271: 220: 25: 8524: 6904:{\displaystyle T=0.64T_{\rm {g}}} 6778: 6710:" can be thought of as linked to 6589: 6509: 6210: 6177: 6089: 5940:where the power spectral density 5857: 5666: 5597: 5521: 5487: 5426: 5216: 5154: 4648: 4444: 3050:{\displaystyle \beta xf_{0}\ll 1} 2303: 1623:. The response of the observable 115:Qualitative overview and examples 8389:Plischke M, Bergersen B (1989). 5815:{\displaystyle {\text{Im}}\left} 2561:by the probability distribution 1554:which alters the Hamiltonian to 40:fluctuation–dissipation relation 8391:Equilibrium Statistical Physics 7384:of the cubic lattice of volume 7364:is the spin living on the node 6747:. At high enough temperatures, 5539:factor after Fourier transform 2150:. The left-hand side describes 780:, its imaginary part is simply 32:fluctuation–dissipation theorem 18:Fluctuation-dissipation theorem 8513:Statistical mechanics theorems 8503:Non-equilibrium thermodynamics 8039: 7902: 7837: 7803:Reports on Progress in Physics 7794: 7739: 7693: 7610:Non-equilibrium thermodynamics 7581: 7545: 7530: 7494: 7465: 7459: 7420: 7414: 7295: 7274: 7261: 7246: 7202: 7166: 7113: 7092: 7073: 7037: 6785: 6772: 6731: 6655: 6649: 6578: 6572: 6538: 6532: 6494: 6485: 6469: 6463: 6429:{\displaystyle S_{x}(\omega )} 6423: 6417: 6361: 6355: 6349: 6340: 6334: 6328: 6296: 6287: 6266: 6260: 6239: 6233: 6201: 6195: 6160: 6151: 6069: 6063: 6025: 6019: 6013: 6004: 5998: 5992: 5969:{\displaystyle S_{x}(\omega )} 5963: 5957: 5919: 5913: 5886: 5880: 5848: 5842: 5804: 5798: 5737: 5731: 5725: 5716: 5710: 5704: 5624: 5618: 5612: 5603: 5585: 5579: 5437: 5388: 5346: 5324: 5287: 5281: 5275: 5243: 5237: 5231: 5222: 5204: 5198: 5183: 5177: 5171: 5160: 5142: 5136: 5115: 5095: 5089: 5083: 5069: 5043: 5015: 5009: 5003: 4989: 4969: 4963: 4957: 4940: 4934: 4928: 4919: 4913: 4907: 4893: 4862: 4856: 4850: 4841: 4835: 4829: 4762: 4756: 4750: 4741: 4735: 4729: 4717: 4711: 4705: 4696: 4690: 4684: 4628: 4622: 4583: 4577: 4571: 4528: 4525: 4514: 4508: 4496: 4490: 4484: 4475: 4469: 4452: 4433: 4416: 4371: 4365: 4349: 4343: 4324: 4318: 4279: 4273: 4267: 4258: 4252: 4246: 4230:of the observable of interest 4202: 4199: 4193: 4187: 4178: 4138: 4132: 4093: 4087: 4081: 4069: 4063: 4008: 4002: 3996: 3975: 3972: 3966: 3960: 3951: 3919: 3913: 3884: 3878: 3859: 3853: 3801: 3795: 3789: 3734: 3728: 3711: 3705: 3687: 3681: 3647: 3641: 3619: 3607: 3601: 3595: 3512: 3506: 3464: 3442: 3436: 3430: 3427: 3405: 3399: 3393: 3384: 3378: 3321: 3315: 3271: 3265: 3231: 3225: 3199: 3193: 3157: 3154: 3129: 3107: 3104: 3098: 3082: 3070: 2947: 2944: 2933: 2921: 2895: 2892: 2886: 2874: 2859: 2847: 2806: 2800: 2784: 2778: 2737: 2725: 2719: 2706: 2688: 2644: 2638: 2610: 2597: 2579: 2524: 2518: 2489: 2480: 2461: 2455: 2355: 2332: 2300: 2224: 2209: 2194: 2188: 2111: 2105: 2078: 2072: 2044: 2038: 2032: 1984: 1978: 1948: 1942: 1919: 1913: 1907: 1861:{\displaystyle \tau =-\infty } 1813: 1801: 1795: 1789: 1739: 1733: 1704: 1698: 1668: 1662: 1639: 1633: 1607: 1601: 1592: 1586: 1570: 1564: 1541: 1535: 1509: 1503: 1491: 1481: 1475: 1469: 1454: 1448: 1382: 1376: 1353: 1347: 1306: 1300: 1224: 1218: 1130: 1121: 1013: 1007: 936: 930: 911: 905: 878:{\displaystyle S_{V}(\omega )} 872: 866: 809: 803: 758: 748: 682: 676: 668: 662: 650: 644: 305:, the ratio of the particle's 243:Einstein–Smoluchowski relation 13: 1: 8189:10.1016/j.physrep.2008.02.002 8148:Course of Theoretical Physics 8106: 7017:{\displaystyle t+t_{\rm {w}}} 5406:as a time evolution operator 5293:{\displaystyle {\hat {x}}(t)} 2424: 1891:to the imaginary part of the 7620:Onsager reciprocal relations 6911:below the glass temperature 6817:Violations in glassy systems 6400:" term in the expression of 5778:and thus the expression for 3756: 396:{\displaystyle k_{\rm {B}}T} 7: 8327:10.1088/0305-4470/36/21/201 8150:. Vol. 5 (3 ed.). 7788:Concepts in thermal physics 7603: 7357:{\displaystyle S_{x}=\pm 1} 6962:{\displaystyle t_{\rm {w}}} 6933:{\displaystyle T_{\rm {g}}} 6850:{\displaystyle T_{\rm {g}}} 4112:Therefore, it follows that 3365:in the absence of a field: 3343: 2616:{\displaystyle P(x',t|x,0)} 2364:{\displaystyle \hbar \to 0} 735:In the low-frequency limit 419:{\displaystyle \Delta \nu } 335:Thermal noise in a resistor 229:noted in his 1905 paper on 27:Statistical physics theorem 10: 8529: 8288:10.1088/0305-4470/11/5/021 8081:10.1103/PhysRevLett.71.173 7941:10.1103/RevModPhys.82.1155 7823:10.1088/0034-4885/29/1/306 6740:{\displaystyle {\hat {x}}} 4035:states that the two-sided 2530:{\displaystyle \theta (t)} 1652:to a time-dependent field 301:and the particle mobility 211:statistical thermodynamics 107:'s explanation in 1928 of 56:thermodynamic fluctuations 7911:Reviews of Modern Physics 535:with a small capacitance 111:in electrical resistors. 85:in 1951 and expanded by 8259:10.1103/PhysRev.101.1620 7732:10.1002/andp.19053220806 7640: 6989:. Then, at a later time 3205:{\displaystyle W_{0}(x)} 1954:{\displaystyle \chi (t)} 1710:{\displaystyle \chi (t)} 1687:linear response function 1359:{\displaystyle H_{0}(x)} 46:) is a powerful tool in 8051:Physical Review Letters 8000:10.1073/pnas.1621242114 6969:under a magnetic field 4033:Wiener–Khinchin theorem 8468:Mazonka, Oleg (2016). 7773:10.1103/PhysRev.32.110 7630:Boltzmann distribution 7588: 7475: 7398: 7378: 7358: 7322: 7153:and the spin-temporal 7147: 7018: 6983: 6963: 6934: 6905: 6871:Edwards-Anderson model 6851: 6807: 6741: 6704: 6670: 6430: 6394: 6371: 6303: 6121: 6035: 5970: 5931: 5816: 5769: 5533: 5497: 5455: 5400: 5358: 5294: 5253: 4797: 4593: 4538: 4394: 4289: 4212: 4103: 4018: 3926: 3894: 3744: 3654: 3541: 3484: 3331: 3241: 3206: 3167: 3051: 3012: 2961: 2829: 2766:Boltzmann distribution 2747: 2617: 2555: 2531: 2499: 2408: 2365: 2339: 2277: 2231: 2168: 2144: 2054: 1955: 1932:of the susceptibility 1926: 1885: 1862: 1830: 1711: 1675: 1646: 1617: 1548: 1519: 1422: 1389: 1360: 1313: 1273: 1173: 1137: 1085: 1049: 879: 840: 774: 726: 618: 549: 525: 504: 490: 420: 397: 365: 285: 8498:Statistical mechanics 8432:Statistical Mechanics 8413:Statistical Mechanics 8135:10.1103/PhysRev.83.34 7687:10.1103/PhysRev.83.34 7625:Equipartition theorem 7589: 7476: 7399: 7379: 7359: 7323: 7148: 7019: 6984: 6964: 6935: 6906: 6852: 6808: 6742: 6705: 6671: 6431: 6395: 6372: 6304: 6122: 6036: 5971: 5932: 5817: 5770: 5534: 5498: 5456: 5401: 5359: 5295: 5254: 4798: 4594: 4539: 4395: 4290: 4213: 4104: 4019: 3927: 3895: 3745: 3655: 3542: 3485: 3332: 3242: 3207: 3168: 3052: 3013: 2962: 2830: 2748: 2618: 2556: 2532: 2500: 2409: 2366: 2340: 2278: 2232: 2169: 2145: 2055: 1956: 1927: 1886: 1863: 1831: 1712: 1676: 1647: 1618: 1549: 1520: 1423: 1390: 1361: 1314: 1274: 1174: 1138: 1086: 1050: 880: 841: 775: 727: 619: 550: 526: 502: 491: 421: 398: 366: 349:Johnson–Nyquist noise 312:to an applied force. 286: 239:statistical mechanics 8477:Journal of Reference 8297:Journal of Physics A 8268:Journal of Physics A 7615:Green–Kubo relations 7485: 7408: 7388: 7368: 7332: 7160: 7155:correlation function 7031: 6993: 6973: 6944: 6915: 6877: 6832: 6751: 6722: 6712:quantum fluctuations 6703:{\displaystyle +1/2} 6683: 6447: 6438:spontaneous emission 6404: 6381: 6316: 6138: 6045: 5980: 5944: 5829: 5782: 5546: 5507: 5469: 5410: 5368: 5304: 5266: 4817: 4606: 4559: 4410: 4302: 4234: 4228:correlation function 4119: 4050: 4029:stationary processes 3939: 3925:{\displaystyle A(t)} 3907: 3777: 3672: 3557: 3497: 3372: 3256: 3216: 3180: 3064: 3022: 2974: 2841: 2772: 2768:for the Hamiltonian 2629: 2573: 2545: 2512: 2449: 2375: 2349: 2287: 2244: 2182: 2158: 2066: 1965: 1936: 1898: 1875: 1843: 1724: 1692: 1674:{\displaystyle f(t)} 1656: 1645:{\displaystyle x(t)} 1627: 1558: 1547:{\displaystyle f(t)} 1529: 1435: 1399: 1388:{\displaystyle x(t)} 1370: 1334: 1312:{\displaystyle x(t)} 1294: 1186: 1147: 1098: 1062: 892: 853: 787: 739: 638: 631:for this circuit is 566: 539: 515: 433: 407: 403:, and the bandwidth 375: 355: 329:absolute temperature 251: 121:thermal fluctuations 8342:Chandler D (1987). 8319:2003JPhA...36R.181C 8280:1978JPhA...11..921F 8251:1956PhRv..101.1620W 8181:2008PhR...461..111M 8144:Statistical Physics 8127:1951PhRv...83...34C 8073:1993PhRvL..71..173C 7991:2017PNAS..114.1838B 7933:2010RvMP...82.1155C 7872:2005Chaos..15b6105H 7815:1966RPPh...29..255K 7765:1928PhRv...32..110N 7723:1905AnP...322..549E 7679:1951PhRv...83...34C 5694: 5569: 4674: 3830: 3584: 3018:. For a weak field 2101: 1784: 1283:General formulation 559:voltage law yields 294:which connects the 48:statistical physics 8449:Callen HB (1985). 7710:Annalen der Physik 7635:Dissipative system 7584: 7471: 7445: 7394: 7374: 7354: 7318: 7232: 7143: 7014: 6979: 6959: 6930: 6901: 6847: 6803: 6737: 6718:of the observable 6700: 6666: 6426: 6393:{\displaystyle +1} 6390: 6367: 6299: 6117: 6031: 5966: 5927: 5812: 5765: 5674: 5549: 5529: 5493: 5451: 5396: 5354: 5290: 5249: 5164: 5127: 4808:canonical ensemble 4793: 4654: 4589: 4555:of the observable 4534: 4390: 4285: 4208: 4099: 4014: 3922: 3890: 3816: 3740: 3650: 3570: 3537: 3480: 3327: 3237: 3202: 3163: 3047: 3008: 2957: 2825: 2743: 2613: 2551: 2539:Heaviside function 2527: 2495: 2404: 2361: 2335: 2273: 2227: 2164: 2140: 2084: 2050: 1951: 1922: 1881: 1858: 1826: 1767: 1707: 1671: 1642: 1613: 1544: 1515: 1418: 1385: 1356: 1309: 1269: 1169: 1133: 1081: 1045: 875: 836: 770: 722: 614: 545: 521: 511:with a resistance 505: 486: 416: 393: 361: 321:Boltzmann constant 296:diffusion constant 281: 205:Examples in detail 93:'s explanation of 72:quantum mechanical 8359:978-0-19-504277-1 8303:(21): R181–R290. 8215:Purdue University 8047:Cugliandolo L. F. 7880:10.1063/1.1853631 7436: 7434: 7397:{\displaystyle V} 7377:{\displaystyle x} 7223: 7216: 7125: 7026:response function 6982:{\displaystyle H} 6827:glass temperature 6734: 6716:zero-point motion 6639: 6630: 6562: 6552: 6501: 6352: 6331: 6250: 6016: 5995: 5903: 5788: 5728: 5707: 5615: 5582: 5440: 5429: 5391: 5349: 5327: 5278: 5234: 5201: 5174: 5139: 5118: 5086: 5072: 5053: 5051: 5046: 5024: 5006: 4992: 4960: 4949: 4931: 4910: 4896: 4874: 4853: 4832: 4753: 4732: 4708: 4687: 4652: 4612: 4574: 4511: 4487: 4447: 4308: 4297:response function 4270: 4249: 4190: 4170: 4160: 4084: 4041:Fourier transform 3999: 3963: 3792: 3764: 3763: 3723: 3351: 3350: 2951: 2554:{\displaystyle x} 2430:Classical version 2345:(whose limit for 2167:{\displaystyle x} 2035: 2018: 1910: 1893:Fourier transform 1884:{\displaystyle x} 1494: 1472: 997: 992: 950: 793: 720: 705: 686: 629:response function 612: 599: 548:{\displaystyle C} 524:{\displaystyle R} 364:{\displaystyle R} 192:thermal radiation 185:thermal radiation 16:(Redirected from 8520: 8508:Physics theorems 8484: 8474: 8464: 8445: 8430:Huang K (1987). 8426: 8404: 8385: 8363: 8338: 8312: 8310:cond-mat/0212490 8291: 8262: 8244: 8235:(6): 1620–1626. 8200: 8174: 8165:(4–6): 111–195. 8151: 8138: 8101: 8100: 8066: 8064:cond-mat/9303036 8043: 8037: 8036: 8030: 8022: 8012: 8002: 7984: 7975:(8): 1838–1843. 7959: 7953: 7952: 7926: 7906: 7900: 7899: 7865: 7863:quant-ph/0412052 7841: 7835: 7834: 7798: 7792: 7791: 7783: 7777: 7776: 7743: 7737: 7736: 7734: 7701:Einstein, Albert 7697: 7691: 7690: 7653: 7593: 7591: 7590: 7585: 7580: 7579: 7578: 7565: 7564: 7563: 7529: 7528: 7527: 7514: 7513: 7512: 7480: 7478: 7477: 7472: 7458: 7457: 7444: 7435: 7427: 7403: 7401: 7400: 7395: 7383: 7381: 7380: 7375: 7363: 7361: 7360: 7355: 7344: 7343: 7327: 7325: 7324: 7319: 7317: 7316: 7305: 7301: 7294: 7293: 7292: 7273: 7272: 7260: 7259: 7258: 7245: 7244: 7231: 7217: 7209: 7201: 7200: 7199: 7186: 7185: 7184: 7152: 7150: 7149: 7144: 7142: 7141: 7130: 7126: 7124: 7116: 7112: 7111: 7110: 7084: 7072: 7071: 7070: 7057: 7056: 7055: 7023: 7021: 7020: 7015: 7013: 7012: 7011: 6988: 6986: 6985: 6980: 6968: 6966: 6965: 6960: 6958: 6957: 6956: 6939: 6937: 6936: 6931: 6929: 6928: 6927: 6910: 6908: 6907: 6902: 6900: 6899: 6898: 6856: 6854: 6853: 6848: 6846: 6845: 6844: 6823:detailed balance 6812: 6810: 6809: 6804: 6796: 6795: 6768: 6767: 6766: 6746: 6744: 6743: 6738: 6736: 6735: 6727: 6709: 6707: 6706: 6701: 6696: 6675: 6673: 6672: 6667: 6662: 6658: 6640: 6637: 6635: 6631: 6629: 6625: 6624: 6611: 6603: 6585: 6581: 6563: 6560: 6558: 6554: 6553: 6545: 6531: 6530: 6529: 6502: 6497: 6484: 6483: 6462: 6461: 6451: 6435: 6433: 6432: 6427: 6416: 6415: 6399: 6397: 6396: 6391: 6376: 6374: 6373: 6368: 6354: 6353: 6345: 6333: 6332: 6324: 6308: 6306: 6305: 6300: 6286: 6285: 6273: 6269: 6251: 6248: 6246: 6242: 6232: 6231: 6230: 6194: 6193: 6184: 6183: 6150: 6149: 6126: 6124: 6123: 6118: 6116: 6115: 6107: 6103: 6096: 6095: 6062: 6061: 6060: 6040: 6038: 6037: 6032: 6018: 6017: 6009: 5997: 5996: 5988: 5975: 5973: 5972: 5967: 5956: 5955: 5936: 5934: 5933: 5928: 5926: 5922: 5904: 5901: 5899: 5895: 5879: 5878: 5877: 5841: 5840: 5821: 5819: 5818: 5813: 5811: 5807: 5789: 5786: 5774: 5772: 5771: 5766: 5758: 5757: 5730: 5729: 5721: 5709: 5708: 5700: 5693: 5685: 5673: 5672: 5645: 5644: 5617: 5616: 5608: 5584: 5583: 5575: 5568: 5560: 5538: 5536: 5535: 5530: 5528: 5527: 5502: 5500: 5499: 5494: 5460: 5458: 5457: 5452: 5450: 5449: 5442: 5441: 5433: 5430: 5422: 5405: 5403: 5402: 5397: 5395: 5394: 5393: 5392: 5384: 5363: 5361: 5360: 5355: 5353: 5352: 5351: 5350: 5342: 5331: 5330: 5329: 5328: 5320: 5299: 5297: 5296: 5291: 5280: 5279: 5271: 5258: 5256: 5255: 5250: 5236: 5235: 5227: 5203: 5202: 5194: 5176: 5175: 5167: 5163: 5141: 5140: 5132: 5128: 5123: 5122: 5121: 5120: 5119: 5111: 5088: 5087: 5079: 5076: 5075: 5074: 5073: 5065: 5050: 5049: 5048: 5047: 5039: 5025: 5022: 5008: 5007: 4999: 4996: 4995: 4994: 4993: 4985: 4962: 4961: 4953: 4950: 4947: 4933: 4932: 4924: 4912: 4911: 4903: 4900: 4899: 4898: 4897: 4889: 4875: 4872: 4855: 4854: 4846: 4834: 4833: 4825: 4802: 4800: 4799: 4794: 4783: 4782: 4755: 4754: 4746: 4734: 4733: 4725: 4710: 4709: 4701: 4689: 4688: 4680: 4673: 4665: 4653: 4651: 4640: 4635: 4631: 4613: 4610: 4598: 4596: 4595: 4590: 4576: 4575: 4567: 4553:ensemble average 4543: 4541: 4540: 4535: 4524: 4513: 4512: 4504: 4489: 4488: 4480: 4468: 4448: 4440: 4432: 4399: 4397: 4396: 4391: 4383: 4378: 4374: 4364: 4363: 4331: 4327: 4309: 4306: 4294: 4292: 4291: 4286: 4272: 4271: 4263: 4251: 4250: 4242: 4217: 4215: 4214: 4209: 4192: 4191: 4183: 4171: 4166: 4162: 4161: 4158: 4148: 4131: 4130: 4108: 4106: 4105: 4100: 4086: 4085: 4077: 4062: 4061: 4039:is equal to the 4037:spectral density 4023: 4021: 4020: 4015: 4001: 4000: 3992: 3965: 3964: 3956: 3931: 3929: 3928: 3923: 3899: 3897: 3896: 3891: 3849: 3848: 3829: 3824: 3794: 3793: 3785: 3758: 3749: 3747: 3746: 3741: 3724: 3722: 3714: 3697: 3666: 3659: 3657: 3656: 3651: 3637: 3636: 3583: 3578: 3569: 3568: 3546: 3544: 3543: 3538: 3536: 3535: 3489: 3487: 3486: 3481: 3476: 3475: 3463: 3462: 3426: 3425: 3345: 3336: 3334: 3333: 3328: 3311: 3310: 3295: 3294: 3250: 3246: 3244: 3243: 3238: 3211: 3209: 3208: 3203: 3192: 3191: 3172: 3170: 3169: 3164: 3153: 3152: 3128: 3127: 3097: 3096: 3056: 3054: 3053: 3048: 3040: 3039: 3017: 3015: 3014: 3009: 3004: 3003: 3002: 2989: 2988: 2966: 2964: 2963: 2958: 2952: 2950: 2943: 2913: 2898: 2866: 2834: 2832: 2831: 2826: 2824: 2823: 2799: 2798: 2752: 2750: 2749: 2744: 2709: 2698: 2684: 2666: 2622: 2620: 2619: 2614: 2600: 2589: 2560: 2558: 2557: 2552: 2536: 2534: 2533: 2528: 2504: 2502: 2501: 2496: 2476: 2475: 2413: 2411: 2410: 2405: 2400: 2392: 2391: 2390: 2370: 2368: 2367: 2362: 2344: 2342: 2341: 2336: 2328: 2327: 2326: 2313: 2282: 2280: 2279: 2274: 2269: 2261: 2260: 2259: 2236: 2234: 2233: 2228: 2173: 2171: 2170: 2165: 2149: 2147: 2146: 2141: 2132: 2131: 2100: 2095: 2059: 2057: 2056: 2051: 2037: 2036: 2028: 2019: 2014: 2010: 2009: 2008: 1994: 1977: 1976: 1960: 1958: 1957: 1952: 1931: 1929: 1928: 1923: 1912: 1911: 1903: 1890: 1888: 1887: 1882: 1867: 1865: 1864: 1859: 1835: 1833: 1832: 1827: 1783: 1778: 1763: 1762: 1716: 1714: 1713: 1708: 1680: 1678: 1677: 1672: 1651: 1649: 1648: 1643: 1622: 1620: 1619: 1614: 1585: 1584: 1553: 1551: 1550: 1545: 1524: 1522: 1521: 1516: 1502: 1501: 1496: 1495: 1487: 1474: 1473: 1465: 1447: 1446: 1427: 1425: 1424: 1419: 1417: 1416: 1394: 1392: 1391: 1386: 1365: 1363: 1362: 1357: 1346: 1345: 1325:dynamical system 1318: 1316: 1315: 1310: 1278: 1276: 1275: 1270: 1259: 1258: 1257: 1217: 1216: 1201: 1200: 1178: 1176: 1175: 1170: 1168: 1167: 1143:centered around 1142: 1140: 1139: 1134: 1120: 1090: 1088: 1087: 1082: 1077: 1076: 1054: 1052: 1051: 1046: 1041: 1040: 1039: 1020: 1016: 998: 995: 993: 991: 987: 986: 976: 972: 971: 970: 956: 951: 949: 948: 939: 929: 928: 918: 904: 903: 884: 882: 881: 876: 865: 864: 845: 843: 842: 837: 835: 834: 816: 812: 794: 791: 779: 777: 776: 771: 769: 768: 731: 729: 728: 723: 721: 719: 706: 698: 692: 687: 685: 671: 657: 623: 621: 620: 615: 613: 605: 600: 598: 590: 582: 554: 552: 551: 546: 530: 528: 527: 522: 495: 493: 492: 487: 472: 471: 470: 448: 447: 425: 423: 422: 417: 402: 400: 399: 394: 389: 388: 387: 370: 368: 367: 362: 290: 288: 287: 282: 280: 276: 275: 274: 215:detailed balance 181:Light absorption 52:detailed balance 21: 8528: 8527: 8523: 8522: 8521: 8519: 8518: 8517: 8488: 8487: 8472: 8461: 8442: 8423: 8401: 8382: 8360: 8228:Physical Review 8211:Audio recording 8207: 8205:Further reading 8158:Physics Reports 8115:Physical Review 8109: 8104: 8044: 8040: 8024: 8023: 7960: 7956: 7907: 7903: 7842: 7838: 7799: 7795: 7784: 7780: 7752:Physical Review 7744: 7740: 7698: 7694: 7666:Physical Review 7654: 7647: 7643: 7606: 7574: 7573: 7569: 7559: 7558: 7554: 7523: 7522: 7518: 7508: 7507: 7503: 7486: 7483: 7482: 7453: 7449: 7440: 7426: 7409: 7406: 7405: 7389: 7386: 7385: 7369: 7366: 7365: 7339: 7335: 7333: 7330: 7329: 7306: 7288: 7287: 7283: 7268: 7264: 7254: 7253: 7249: 7240: 7236: 7227: 7222: 7219: 7218: 7208: 7195: 7194: 7190: 7180: 7179: 7175: 7161: 7158: 7157: 7131: 7117: 7106: 7105: 7101: 7085: 7083: 7080: 7079: 7066: 7065: 7061: 7051: 7050: 7046: 7032: 7029: 7028: 7007: 7006: 7002: 6994: 6991: 6990: 6974: 6971: 6970: 6952: 6951: 6947: 6945: 6942: 6941: 6923: 6922: 6918: 6916: 6913: 6912: 6894: 6893: 6889: 6878: 6875: 6874: 6840: 6839: 6835: 6833: 6830: 6829: 6819: 6788: 6784: 6759: 6758: 6754: 6752: 6749: 6748: 6726: 6725: 6723: 6720: 6719: 6692: 6684: 6681: 6680: 6645: 6641: 6636: 6620: 6616: 6612: 6604: 6602: 6598: 6568: 6564: 6559: 6544: 6522: 6521: 6517: 6516: 6512: 6479: 6475: 6457: 6453: 6452: 6450: 6448: 6445: 6444: 6411: 6407: 6405: 6402: 6401: 6382: 6379: 6378: 6344: 6343: 6323: 6322: 6317: 6314: 6313: 6281: 6277: 6256: 6252: 6247: 6223: 6222: 6218: 6217: 6213: 6189: 6185: 6170: 6166: 6145: 6141: 6139: 6136: 6135: 6108: 6085: 6081: 6080: 6076: 6075: 6053: 6052: 6048: 6046: 6043: 6042: 6008: 6007: 5987: 5986: 5981: 5978: 5977: 5951: 5947: 5945: 5942: 5941: 5909: 5905: 5900: 5870: 5869: 5865: 5864: 5860: 5836: 5832: 5830: 5827: 5826: 5794: 5790: 5785: 5783: 5780: 5779: 5747: 5743: 5720: 5719: 5699: 5698: 5686: 5678: 5659: 5655: 5634: 5630: 5607: 5606: 5574: 5573: 5561: 5553: 5547: 5544: 5543: 5514: 5510: 5508: 5505: 5504: 5470: 5467: 5466: 5432: 5431: 5421: 5417: 5413: 5411: 5408: 5407: 5383: 5382: 5375: 5371: 5369: 5366: 5365: 5341: 5340: 5336: 5332: 5319: 5318: 5311: 5307: 5305: 5302: 5301: 5270: 5269: 5267: 5264: 5263: 5226: 5225: 5193: 5192: 5166: 5165: 5131: 5130: 5129: 5110: 5109: 5102: 5098: 5078: 5077: 5064: 5063: 5059: 5055: 5054: 5052: 5038: 5037: 5030: 5026: 5021: 4998: 4997: 4984: 4983: 4976: 4972: 4952: 4951: 4946: 4923: 4922: 4902: 4901: 4888: 4887: 4880: 4876: 4871: 4845: 4844: 4824: 4823: 4818: 4815: 4814: 4772: 4768: 4745: 4744: 4724: 4723: 4700: 4699: 4679: 4678: 4666: 4658: 4644: 4639: 4618: 4614: 4609: 4607: 4604: 4603: 4566: 4565: 4560: 4557: 4556: 4549:linear response 4517: 4503: 4502: 4479: 4478: 4461: 4439: 4425: 4411: 4408: 4407: 4379: 4359: 4355: 4339: 4335: 4314: 4310: 4305: 4303: 4300: 4299: 4262: 4261: 4241: 4240: 4235: 4232: 4231: 4224: 4222:Quantum version 4182: 4181: 4157: 4153: 4149: 4147: 4126: 4122: 4120: 4117: 4116: 4076: 4075: 4057: 4053: 4051: 4048: 4047: 3991: 3990: 3955: 3954: 3940: 3937: 3936: 3908: 3905: 3904: 3835: 3831: 3825: 3820: 3784: 3783: 3778: 3775: 3774: 3715: 3698: 3696: 3673: 3670: 3669: 3632: 3628: 3579: 3574: 3564: 3560: 3558: 3555: 3554: 3531: 3527: 3498: 3495: 3494: 3471: 3467: 3458: 3454: 3421: 3417: 3373: 3370: 3369: 3306: 3302: 3290: 3286: 3257: 3254: 3253: 3217: 3214: 3213: 3187: 3183: 3181: 3178: 3177: 3148: 3144: 3123: 3119: 3092: 3088: 3065: 3062: 3061: 3035: 3031: 3023: 3020: 3019: 2998: 2997: 2993: 2981: 2977: 2975: 2972: 2971: 2936: 2906: 2899: 2867: 2865: 2842: 2839: 2838: 2819: 2815: 2794: 2790: 2773: 2770: 2769: 2705: 2691: 2677: 2659: 2630: 2627: 2626: 2596: 2582: 2574: 2571: 2570: 2546: 2543: 2542: 2513: 2510: 2509: 2471: 2467: 2450: 2447: 2446: 2432: 2427: 2396: 2386: 2385: 2381: 2376: 2373: 2372: 2350: 2347: 2346: 2322: 2321: 2317: 2309: 2288: 2285: 2284: 2265: 2255: 2254: 2250: 2245: 2242: 2241: 2183: 2180: 2179: 2159: 2156: 2155: 2118: 2114: 2096: 2088: 2067: 2064: 2063: 2027: 2026: 2004: 2003: 1999: 1995: 1993: 1972: 1968: 1966: 1963: 1962: 1937: 1934: 1933: 1902: 1901: 1899: 1896: 1895: 1876: 1873: 1872: 1844: 1841: 1840: 1779: 1771: 1758: 1754: 1725: 1722: 1721: 1693: 1690: 1689: 1657: 1654: 1653: 1628: 1625: 1624: 1580: 1576: 1559: 1556: 1555: 1530: 1527: 1526: 1497: 1486: 1485: 1484: 1464: 1463: 1442: 1438: 1436: 1433: 1432: 1412: 1408: 1400: 1397: 1396: 1371: 1368: 1367: 1341: 1337: 1335: 1332: 1331: 1295: 1292: 1291: 1285: 1253: 1252: 1248: 1212: 1208: 1196: 1192: 1187: 1184: 1183: 1163: 1159: 1148: 1145: 1144: 1116: 1099: 1096: 1095: 1072: 1068: 1063: 1060: 1059: 1035: 1034: 1030: 1003: 999: 994: 982: 978: 977: 966: 965: 961: 957: 955: 944: 940: 924: 920: 919: 917: 899: 895: 893: 890: 889: 860: 856: 854: 851: 850: 830: 826: 799: 795: 790: 788: 785: 784: 761: 757: 740: 737: 736: 697: 696: 691: 672: 658: 656: 639: 636: 635: 604: 591: 583: 581: 567: 564: 563: 540: 537: 536: 516: 513: 512: 466: 465: 461: 443: 439: 434: 431: 430: 408: 405: 404: 383: 382: 378: 376: 373: 372: 356: 353: 352: 343:discovered and 341:John B. Johnson 337: 318: 270: 269: 265: 260: 252: 249: 248: 231:Brownian motion 227:Albert Einstein 223: 221:Brownian motion 207: 144:Brownian motion 133:Brownian motion 117: 100:annus mirabilis 95:Brownian motion 83:Theodore Welton 28: 23: 22: 15: 12: 11: 5: 8526: 8516: 8515: 8510: 8505: 8500: 8486: 8485: 8465: 8459: 8446: 8440: 8427: 8421: 8405: 8399: 8386: 8380: 8364: 8358: 8339: 8292: 8274:(5): 921–927. 8263: 8222: 8217: 8206: 8203: 8202: 8201: 8152: 8139: 8108: 8105: 8103: 8102: 8057:(1): 173–176. 8038: 7954: 7901: 7836: 7809:(1): 255–284. 7793: 7778: 7759:(1): 110–113. 7738: 7717:(8): 549–560. 7692: 7644: 7642: 7639: 7638: 7637: 7632: 7627: 7622: 7617: 7612: 7605: 7602: 7583: 7577: 7572: 7568: 7562: 7557: 7553: 7550: 7547: 7544: 7541: 7538: 7535: 7532: 7526: 7521: 7517: 7511: 7506: 7502: 7499: 7496: 7493: 7490: 7470: 7467: 7464: 7461: 7456: 7452: 7448: 7443: 7439: 7433: 7430: 7425: 7422: 7419: 7416: 7413: 7393: 7373: 7353: 7350: 7347: 7342: 7338: 7315: 7312: 7309: 7304: 7300: 7297: 7291: 7286: 7282: 7279: 7276: 7271: 7267: 7263: 7257: 7252: 7248: 7243: 7239: 7235: 7230: 7226: 7221: 7215: 7212: 7207: 7204: 7198: 7193: 7189: 7183: 7178: 7174: 7171: 7168: 7165: 7140: 7137: 7134: 7129: 7123: 7120: 7115: 7109: 7104: 7100: 7097: 7094: 7091: 7088: 7082: 7078: 7075: 7069: 7064: 7060: 7054: 7049: 7045: 7042: 7039: 7036: 7010: 7005: 7001: 6998: 6978: 6955: 6950: 6926: 6921: 6897: 6892: 6888: 6885: 6882: 6859:glassy systems 6843: 6838: 6818: 6815: 6802: 6799: 6794: 6791: 6787: 6783: 6780: 6777: 6774: 6771: 6765: 6762: 6757: 6733: 6730: 6699: 6695: 6691: 6688: 6677: 6676: 6665: 6661: 6657: 6654: 6651: 6648: 6644: 6634: 6628: 6623: 6619: 6615: 6610: 6607: 6601: 6597: 6594: 6591: 6588: 6584: 6580: 6577: 6574: 6571: 6567: 6557: 6551: 6548: 6543: 6540: 6537: 6534: 6528: 6525: 6520: 6515: 6511: 6508: 6505: 6500: 6496: 6493: 6490: 6487: 6482: 6478: 6474: 6471: 6468: 6465: 6460: 6456: 6425: 6422: 6419: 6414: 6410: 6389: 6386: 6366: 6363: 6360: 6357: 6351: 6348: 6342: 6339: 6336: 6330: 6327: 6321: 6310: 6309: 6298: 6295: 6292: 6289: 6284: 6280: 6276: 6272: 6268: 6265: 6262: 6259: 6255: 6245: 6241: 6238: 6235: 6229: 6226: 6221: 6216: 6212: 6209: 6206: 6203: 6200: 6197: 6192: 6188: 6182: 6179: 6176: 6173: 6169: 6165: 6162: 6159: 6156: 6153: 6148: 6144: 6114: 6111: 6106: 6102: 6099: 6094: 6091: 6088: 6084: 6079: 6074: 6071: 6068: 6065: 6059: 6056: 6051: 6030: 6027: 6024: 6021: 6015: 6012: 6006: 6003: 6000: 5994: 5991: 5985: 5965: 5962: 5959: 5954: 5950: 5938: 5937: 5925: 5921: 5918: 5915: 5912: 5908: 5898: 5894: 5891: 5888: 5885: 5882: 5876: 5873: 5868: 5863: 5859: 5856: 5853: 5850: 5847: 5844: 5839: 5835: 5810: 5806: 5803: 5800: 5797: 5793: 5776: 5775: 5764: 5761: 5756: 5753: 5750: 5746: 5742: 5739: 5736: 5733: 5727: 5724: 5718: 5715: 5712: 5706: 5703: 5697: 5692: 5689: 5684: 5681: 5677: 5671: 5668: 5665: 5662: 5658: 5654: 5651: 5648: 5643: 5640: 5637: 5633: 5629: 5626: 5623: 5620: 5614: 5611: 5605: 5602: 5599: 5596: 5593: 5590: 5587: 5581: 5578: 5572: 5567: 5564: 5559: 5556: 5552: 5526: 5523: 5520: 5517: 5513: 5492: 5489: 5486: 5483: 5480: 5477: 5474: 5463:imaginary time 5448: 5445: 5439: 5436: 5428: 5425: 5420: 5416: 5390: 5387: 5381: 5378: 5374: 5348: 5345: 5339: 5335: 5326: 5323: 5317: 5314: 5310: 5289: 5286: 5283: 5277: 5274: 5260: 5259: 5248: 5245: 5242: 5239: 5233: 5230: 5224: 5221: 5218: 5215: 5212: 5209: 5206: 5200: 5197: 5191: 5188: 5185: 5182: 5179: 5173: 5170: 5162: 5159: 5156: 5153: 5150: 5147: 5144: 5138: 5135: 5126: 5117: 5114: 5108: 5105: 5101: 5097: 5094: 5091: 5085: 5082: 5071: 5068: 5062: 5058: 5045: 5042: 5036: 5033: 5029: 5020: 5017: 5014: 5011: 5005: 5002: 4991: 4988: 4982: 4979: 4975: 4971: 4968: 4965: 4959: 4956: 4945: 4942: 4939: 4936: 4930: 4927: 4921: 4918: 4915: 4909: 4906: 4895: 4892: 4886: 4883: 4879: 4870: 4867: 4864: 4861: 4858: 4852: 4849: 4843: 4840: 4837: 4831: 4828: 4822: 4804: 4803: 4792: 4789: 4786: 4781: 4778: 4775: 4771: 4767: 4764: 4761: 4758: 4752: 4749: 4743: 4740: 4737: 4731: 4728: 4722: 4719: 4716: 4713: 4707: 4704: 4698: 4695: 4692: 4686: 4683: 4677: 4672: 4669: 4664: 4661: 4657: 4650: 4647: 4643: 4638: 4634: 4630: 4627: 4624: 4621: 4617: 4588: 4585: 4582: 4579: 4573: 4570: 4564: 4545: 4544: 4533: 4530: 4527: 4523: 4520: 4516: 4510: 4507: 4501: 4498: 4495: 4492: 4486: 4483: 4477: 4474: 4471: 4467: 4464: 4460: 4457: 4454: 4451: 4446: 4443: 4438: 4435: 4431: 4428: 4424: 4421: 4418: 4415: 4389: 4386: 4382: 4377: 4373: 4370: 4367: 4362: 4358: 4354: 4351: 4348: 4345: 4342: 4338: 4334: 4330: 4326: 4323: 4320: 4317: 4313: 4284: 4281: 4278: 4275: 4269: 4266: 4260: 4257: 4254: 4248: 4245: 4239: 4223: 4220: 4219: 4218: 4207: 4204: 4201: 4198: 4195: 4189: 4186: 4180: 4177: 4174: 4169: 4165: 4156: 4152: 4146: 4143: 4140: 4137: 4134: 4129: 4125: 4110: 4109: 4098: 4095: 4092: 4089: 4083: 4080: 4074: 4071: 4068: 4065: 4060: 4056: 4025: 4024: 4013: 4010: 4007: 4004: 3998: 3995: 3989: 3986: 3983: 3980: 3977: 3974: 3971: 3968: 3962: 3959: 3953: 3950: 3947: 3944: 3921: 3918: 3915: 3912: 3901: 3900: 3889: 3886: 3883: 3880: 3877: 3874: 3871: 3868: 3865: 3861: 3858: 3855: 3852: 3847: 3844: 3841: 3838: 3834: 3828: 3823: 3819: 3815: 3812: 3809: 3806: 3803: 3800: 3797: 3791: 3788: 3782: 3762: 3761: 3752: 3750: 3739: 3736: 3733: 3730: 3727: 3721: 3718: 3713: 3710: 3707: 3704: 3701: 3695: 3692: 3689: 3686: 3683: 3680: 3677: 3663:Consequently, 3661: 3660: 3649: 3646: 3643: 3640: 3635: 3631: 3627: 3624: 3621: 3618: 3615: 3612: 3609: 3606: 3603: 3600: 3597: 3594: 3590: 3587: 3582: 3577: 3573: 3567: 3563: 3534: 3530: 3526: 3523: 3520: 3517: 3514: 3511: 3508: 3505: 3502: 3491: 3490: 3479: 3474: 3470: 3466: 3461: 3457: 3453: 3450: 3447: 3444: 3441: 3438: 3435: 3432: 3429: 3424: 3420: 3416: 3413: 3410: 3407: 3404: 3401: 3398: 3395: 3392: 3389: 3386: 3383: 3380: 3377: 3349: 3348: 3339: 3337: 3326: 3323: 3320: 3317: 3314: 3309: 3305: 3301: 3298: 3293: 3289: 3285: 3282: 3279: 3276: 3273: 3270: 3267: 3264: 3261: 3236: 3233: 3230: 3227: 3224: 3221: 3201: 3198: 3195: 3190: 3186: 3174: 3173: 3162: 3159: 3156: 3151: 3147: 3143: 3140: 3137: 3134: 3131: 3126: 3122: 3118: 3115: 3112: 3109: 3106: 3103: 3100: 3095: 3091: 3087: 3084: 3081: 3078: 3075: 3072: 3069: 3046: 3043: 3038: 3034: 3030: 3027: 3007: 3001: 2996: 2992: 2987: 2984: 2980: 2968: 2967: 2956: 2949: 2946: 2942: 2939: 2935: 2932: 2929: 2926: 2923: 2920: 2917: 2912: 2909: 2905: 2902: 2897: 2894: 2891: 2888: 2885: 2882: 2879: 2876: 2873: 2870: 2864: 2861: 2858: 2855: 2852: 2849: 2846: 2822: 2818: 2814: 2811: 2808: 2805: 2802: 2797: 2793: 2789: 2786: 2783: 2780: 2777: 2754: 2753: 2742: 2739: 2736: 2733: 2730: 2727: 2724: 2721: 2718: 2715: 2712: 2708: 2704: 2701: 2697: 2694: 2690: 2687: 2683: 2680: 2675: 2672: 2669: 2665: 2662: 2658: 2655: 2652: 2649: 2646: 2643: 2640: 2637: 2634: 2612: 2609: 2606: 2603: 2599: 2595: 2592: 2588: 2585: 2581: 2578: 2550: 2526: 2523: 2520: 2517: 2506: 2505: 2494: 2491: 2488: 2485: 2482: 2479: 2474: 2470: 2466: 2463: 2460: 2457: 2454: 2431: 2428: 2426: 2423: 2403: 2399: 2395: 2389: 2384: 2380: 2360: 2357: 2354: 2334: 2331: 2325: 2320: 2316: 2312: 2308: 2305: 2302: 2299: 2296: 2292: 2272: 2268: 2264: 2258: 2253: 2249: 2226: 2223: 2220: 2217: 2214: 2211: 2208: 2205: 2202: 2199: 2196: 2193: 2190: 2187: 2163: 2139: 2136: 2130: 2127: 2124: 2121: 2117: 2113: 2110: 2107: 2104: 2099: 2094: 2091: 2087: 2083: 2080: 2077: 2074: 2071: 2049: 2046: 2043: 2040: 2034: 2031: 2025: 2022: 2017: 2013: 2007: 2002: 1998: 1992: 1989: 1986: 1983: 1980: 1975: 1971: 1950: 1947: 1944: 1941: 1921: 1918: 1915: 1909: 1906: 1880: 1857: 1854: 1851: 1848: 1837: 1836: 1825: 1822: 1819: 1815: 1812: 1809: 1806: 1803: 1800: 1797: 1794: 1791: 1788: 1782: 1777: 1774: 1770: 1766: 1761: 1757: 1753: 1750: 1747: 1744: 1741: 1738: 1735: 1732: 1729: 1717:of the system 1706: 1703: 1700: 1697: 1683:susceptibility 1670: 1667: 1664: 1661: 1641: 1638: 1635: 1632: 1612: 1609: 1606: 1603: 1600: 1597: 1594: 1591: 1588: 1583: 1579: 1575: 1572: 1569: 1566: 1563: 1543: 1540: 1537: 1534: 1514: 1511: 1508: 1505: 1500: 1493: 1490: 1483: 1480: 1477: 1471: 1468: 1462: 1459: 1456: 1453: 1450: 1445: 1441: 1430:power spectrum 1415: 1411: 1407: 1404: 1384: 1381: 1378: 1375: 1355: 1352: 1349: 1344: 1340: 1308: 1305: 1302: 1299: 1284: 1281: 1280: 1279: 1268: 1265: 1262: 1256: 1251: 1247: 1244: 1241: 1238: 1235: 1232: 1229: 1226: 1223: 1220: 1215: 1211: 1207: 1204: 1199: 1195: 1191: 1166: 1162: 1158: 1155: 1152: 1132: 1129: 1126: 1123: 1119: 1115: 1112: 1109: 1106: 1103: 1080: 1075: 1071: 1067: 1056: 1055: 1044: 1038: 1033: 1029: 1026: 1023: 1019: 1015: 1012: 1009: 1006: 1002: 990: 985: 981: 975: 969: 964: 960: 954: 947: 943: 938: 935: 932: 927: 923: 916: 913: 910: 907: 902: 898: 874: 871: 868: 863: 859: 847: 846: 833: 829: 825: 822: 819: 815: 811: 808: 805: 802: 798: 767: 764: 760: 756: 753: 750: 747: 744: 733: 732: 718: 715: 712: 709: 704: 701: 695: 690: 684: 681: 678: 675: 670: 667: 664: 661: 655: 652: 649: 646: 643: 625: 624: 611: 608: 603: 597: 594: 589: 586: 580: 577: 574: 571: 544: 520: 497: 496: 485: 482: 479: 475: 469: 464: 460: 457: 454: 451: 446: 442: 438: 415: 412: 392: 386: 381: 360: 336: 333: 316: 310:drift velocity 292: 291: 279: 273: 268: 263: 259: 256: 241:to derive the 222: 219: 206: 203: 202: 201: 200: 199: 177: 176: 175: 149: 148: 147: 116: 113: 79:Herbert Callen 26: 9: 6: 4: 3: 2: 8525: 8514: 8511: 8509: 8506: 8504: 8501: 8499: 8496: 8495: 8493: 8482: 8478: 8471: 8466: 8462: 8460:0-471-86256-8 8456: 8452: 8447: 8443: 8441:0-471-81518-7 8437: 8433: 8428: 8424: 8422:0-08-018994-6 8418: 8414: 8410: 8406: 8402: 8400:0-13-283276-3 8396: 8392: 8387: 8383: 8381:0-292-75080-3 8377: 8373: 8369: 8365: 8361: 8355: 8351: 8347: 8346: 8340: 8336: 8332: 8328: 8324: 8320: 8316: 8311: 8306: 8302: 8298: 8293: 8289: 8285: 8281: 8277: 8273: 8269: 8264: 8260: 8256: 8252: 8248: 8243: 8238: 8234: 8230: 8229: 8223: 8221: 8218: 8216: 8212: 8209: 8208: 8198: 8194: 8190: 8186: 8182: 8178: 8173: 8168: 8164: 8160: 8159: 8153: 8149: 8145: 8140: 8136: 8132: 8128: 8124: 8120: 8116: 8111: 8110: 8098: 8094: 8090: 8086: 8082: 8078: 8074: 8070: 8065: 8060: 8056: 8052: 8048: 8042: 8034: 8028: 8020: 8016: 8011: 8006: 8001: 7996: 7992: 7988: 7983: 7978: 7974: 7970: 7966: 7958: 7950: 7946: 7942: 7938: 7934: 7930: 7925: 7920: 7916: 7912: 7905: 7897: 7893: 7889: 7885: 7881: 7877: 7873: 7869: 7864: 7859: 7856:(2): 026105. 7855: 7851: 7847: 7840: 7832: 7828: 7824: 7820: 7816: 7812: 7808: 7804: 7797: 7790:. OUP Oxford. 7789: 7782: 7774: 7770: 7766: 7762: 7758: 7754: 7753: 7748: 7742: 7733: 7728: 7724: 7720: 7716: 7712: 7711: 7706: 7702: 7696: 7688: 7684: 7680: 7676: 7672: 7668: 7667: 7662: 7658: 7652: 7650: 7645: 7636: 7633: 7631: 7628: 7626: 7623: 7621: 7618: 7616: 7613: 7611: 7608: 7607: 7601: 7597: 7594: 7570: 7566: 7555: 7551: 7548: 7542: 7539: 7536: 7533: 7519: 7515: 7504: 7500: 7497: 7491: 7488: 7462: 7454: 7450: 7441: 7437: 7431: 7428: 7423: 7417: 7411: 7391: 7371: 7351: 7348: 7345: 7340: 7336: 7313: 7310: 7307: 7302: 7284: 7280: 7277: 7269: 7265: 7250: 7241: 7237: 7228: 7224: 7213: 7210: 7205: 7191: 7187: 7176: 7172: 7169: 7163: 7156: 7138: 7135: 7132: 7127: 7121: 7102: 7098: 7095: 7089: 7076: 7062: 7058: 7047: 7043: 7040: 7034: 7027: 7003: 6999: 6996: 6976: 6948: 6919: 6890: 6886: 6883: 6880: 6872: 6868: 6863: 6860: 6836: 6828: 6824: 6814: 6800: 6797: 6792: 6789: 6781: 6775: 6769: 6755: 6728: 6717: 6713: 6697: 6693: 6689: 6686: 6663: 6659: 6652: 6646: 6642: 6632: 6626: 6621: 6617: 6613: 6608: 6605: 6599: 6595: 6592: 6586: 6582: 6575: 6569: 6565: 6555: 6549: 6546: 6541: 6535: 6518: 6513: 6506: 6503: 6498: 6491: 6488: 6480: 6476: 6472: 6466: 6458: 6454: 6443: 6442: 6441: 6439: 6420: 6412: 6408: 6387: 6384: 6358: 6346: 6337: 6325: 6293: 6290: 6282: 6278: 6274: 6270: 6263: 6257: 6253: 6243: 6236: 6219: 6214: 6207: 6204: 6198: 6190: 6186: 6180: 6174: 6171: 6167: 6163: 6157: 6154: 6146: 6142: 6134: 6133: 6132: 6130: 6129:Bose-Einstein 6112: 6109: 6104: 6100: 6097: 6092: 6086: 6082: 6077: 6072: 6066: 6049: 6022: 6010: 6001: 5989: 5960: 5952: 5948: 5923: 5916: 5910: 5906: 5896: 5892: 5889: 5883: 5866: 5861: 5854: 5851: 5845: 5837: 5833: 5825: 5824: 5823: 5808: 5801: 5795: 5791: 5762: 5759: 5754: 5751: 5748: 5744: 5734: 5722: 5713: 5701: 5687: 5679: 5675: 5669: 5663: 5660: 5656: 5652: 5649: 5646: 5641: 5638: 5635: 5631: 5621: 5609: 5600: 5594: 5591: 5588: 5576: 5562: 5554: 5550: 5542: 5541: 5540: 5524: 5518: 5515: 5511: 5490: 5484: 5481: 5478: 5475: 5464: 5446: 5434: 5423: 5418: 5414: 5385: 5379: 5376: 5372: 5343: 5337: 5333: 5321: 5315: 5312: 5308: 5284: 5272: 5240: 5228: 5219: 5213: 5210: 5207: 5195: 5186: 5180: 5168: 5157: 5151: 5148: 5145: 5133: 5124: 5112: 5106: 5103: 5099: 5092: 5080: 5066: 5060: 5056: 5040: 5034: 5031: 5027: 5018: 5012: 5000: 4986: 4980: 4977: 4973: 4966: 4954: 4943: 4937: 4925: 4916: 4904: 4890: 4884: 4881: 4877: 4868: 4859: 4847: 4838: 4826: 4813: 4812: 4811: 4809: 4790: 4787: 4784: 4779: 4776: 4773: 4769: 4759: 4747: 4738: 4726: 4720: 4714: 4702: 4693: 4681: 4667: 4659: 4655: 4645: 4641: 4636: 4632: 4625: 4619: 4615: 4602: 4601: 4600: 4580: 4568: 4554: 4550: 4521: 4518: 4505: 4499: 4493: 4481: 4465: 4462: 4458: 4455: 4449: 4441: 4436: 4429: 4426: 4422: 4419: 4413: 4406: 4405: 4404: 4403: 4387: 4384: 4380: 4375: 4368: 4360: 4356: 4352: 4346: 4340: 4336: 4332: 4328: 4321: 4315: 4311: 4298: 4276: 4264: 4255: 4243: 4229: 4205: 4196: 4184: 4175: 4172: 4167: 4163: 4154: 4150: 4144: 4141: 4135: 4127: 4123: 4115: 4114: 4113: 4096: 4090: 4078: 4072: 4066: 4058: 4054: 4046: 4045: 4044: 4042: 4038: 4034: 4030: 4027:Finally, for 4011: 4005: 3993: 3987: 3984: 3981: 3978: 3969: 3957: 3948: 3945: 3942: 3935: 3934: 3933: 3916: 3910: 3887: 3881: 3875: 3872: 3869: 3866: 3863: 3856: 3850: 3845: 3842: 3839: 3836: 3832: 3821: 3817: 3813: 3810: 3807: 3804: 3798: 3786: 3780: 3773: 3772: 3771: 3769: 3760: 3753: 3751: 3737: 3731: 3725: 3719: 3716: 3708: 3702: 3699: 3693: 3690: 3684: 3678: 3675: 3668: 3667: 3664: 3644: 3638: 3633: 3629: 3625: 3622: 3616: 3613: 3610: 3604: 3598: 3592: 3588: 3585: 3575: 3571: 3565: 3561: 3553: 3552: 3551: 3550: 3532: 3524: 3518: 3509: 3503: 3477: 3472: 3459: 3451: 3445: 3439: 3433: 3422: 3414: 3408: 3402: 3396: 3387: 3381: 3375: 3368: 3367: 3366: 3364: 3360: 3356: 3347: 3340: 3338: 3324: 3318: 3312: 3307: 3303: 3299: 3296: 3291: 3283: 3277: 3268: 3262: 3252: 3251: 3248: 3228: 3222: 3196: 3188: 3184: 3160: 3149: 3141: 3135: 3132: 3124: 3120: 3116: 3113: 3110: 3101: 3093: 3089: 3085: 3079: 3076: 3073: 3067: 3060: 3059: 3058: 3044: 3041: 3036: 3032: 3028: 3025: 3005: 2994: 2990: 2985: 2982: 2978: 2954: 2940: 2937: 2930: 2927: 2924: 2918: 2915: 2910: 2907: 2903: 2900: 2889: 2883: 2880: 2877: 2871: 2868: 2862: 2856: 2853: 2850: 2844: 2837: 2836: 2835: 2820: 2816: 2812: 2809: 2803: 2795: 2791: 2787: 2781: 2775: 2767: 2763: 2759: 2740: 2734: 2731: 2728: 2722: 2716: 2713: 2710: 2702: 2699: 2695: 2692: 2685: 2681: 2678: 2673: 2670: 2667: 2663: 2660: 2656: 2653: 2650: 2641: 2635: 2625: 2624: 2623: 2607: 2604: 2601: 2593: 2590: 2586: 2583: 2576: 2568: 2564: 2548: 2540: 2521: 2515: 2492: 2486: 2483: 2477: 2472: 2468: 2464: 2458: 2452: 2445: 2444: 2443: 2441: 2437: 2422: 2419: 2417: 2416:LSZ reduction 2401: 2397: 2393: 2382: 2378: 2358: 2352: 2329: 2318: 2314: 2310: 2306: 2297: 2294: 2290: 2270: 2266: 2262: 2251: 2247: 2238: 2221: 2218: 2215: 2212: 2206: 2203: 2200: 2197: 2191: 2185: 2177: 2161: 2153: 2137: 2134: 2128: 2125: 2122: 2119: 2115: 2108: 2102: 2089: 2085: 2081: 2075: 2069: 2060: 2047: 2041: 2029: 2023: 2020: 2015: 2011: 2000: 1996: 1990: 1987: 1981: 1973: 1969: 1945: 1939: 1916: 1904: 1894: 1878: 1869: 1852: 1849: 1846: 1823: 1820: 1817: 1810: 1807: 1804: 1798: 1792: 1786: 1780: 1772: 1768: 1764: 1759: 1751: 1745: 1736: 1730: 1720: 1719: 1718: 1701: 1695: 1688: 1684: 1665: 1659: 1636: 1630: 1610: 1604: 1598: 1595: 1589: 1581: 1577: 1573: 1567: 1561: 1538: 1532: 1506: 1498: 1488: 1478: 1466: 1457: 1451: 1443: 1439: 1431: 1413: 1405: 1379: 1373: 1350: 1342: 1338: 1330: 1326: 1322: 1303: 1297: 1288: 1266: 1260: 1249: 1245: 1242: 1239: 1236: 1230: 1227: 1221: 1213: 1209: 1205: 1197: 1193: 1182: 1181: 1180: 1164: 1160: 1156: 1153: 1150: 1127: 1124: 1117: 1113: 1107: 1104: 1094: 1073: 1069: 1042: 1031: 1027: 1024: 1021: 1017: 1010: 1004: 1000: 988: 983: 979: 973: 962: 958: 952: 945: 941: 933: 925: 921: 914: 908: 900: 896: 888: 887: 886: 869: 861: 857: 831: 827: 823: 820: 817: 813: 806: 800: 796: 783: 782: 781: 765: 762: 754: 751: 745: 742: 716: 713: 710: 707: 702: 699: 693: 688: 679: 673: 665: 659: 653: 647: 641: 634: 633: 632: 630: 609: 606: 601: 595: 592: 587: 584: 578: 575: 572: 569: 562: 561: 560: 558: 542: 534: 518: 510: 501: 483: 480: 473: 462: 458: 455: 452: 444: 440: 429: 428: 427: 413: 390: 379: 358: 350: 346: 345:Harry Nyquist 342: 332: 330: 326: 322: 315: 311: 308: 304: 300: 297: 277: 266: 261: 257: 254: 247: 246: 245: 244: 240: 235: 232: 228: 225:For example, 218: 216: 212: 197: 193: 189: 188: 187: 186: 182: 178: 173: 172:Johnson noise 169: 168:Joule heating 165: 161: 160: 159: 158: 157:Johnson noise 154: 150: 145: 141: 137: 136: 135: 134: 130: 126: 125: 124: 122: 112: 110: 109:Johnson noise 106: 105:Harry Nyquist 102: 101: 96: 92: 88: 84: 80: 75: 73: 69: 65: 61: 57: 53: 49: 45: 41: 37: 33: 19: 8480: 8476: 8450: 8431: 8412: 8390: 8371: 8344: 8300: 8296: 8271: 8267: 8232: 8226: 8162: 8156: 8143: 8121:(1): 34–40. 8118: 8114: 8054: 8050: 8041: 8027:cite journal 7972: 7968: 7957: 7914: 7910: 7904: 7853: 7849: 7839: 7806: 7802: 7796: 7787: 7781: 7756: 7750: 7741: 7714: 7708: 7703:(May 1905). 7695: 7673:(1): 34–40. 7670: 7664: 7598: 7595: 6867:spin glasses 6864: 6820: 6678: 6311: 5939: 5777: 5261: 4805: 4546: 4402:Kubo formula 4225: 4111: 4026: 3902: 3767: 3765: 3754: 3662: 3548: 3492: 3362: 3358: 3354: 3352: 3341: 3175: 2969: 2761: 2757: 2755: 2566: 2562: 2507: 2439: 2435: 2433: 2420: 2239: 2175: 2152:fluctuations 2151: 2061: 1870: 1838: 1289: 1286: 1057: 848: 734: 626: 506: 338: 324: 313: 302: 298: 293: 236: 224: 208: 179: 151: 127: 118: 98: 76: 43: 39: 35: 31: 29: 7917:(2): 1155. 7661:T.A. Welton 7657:H.B. Callen 1329:Hamiltonian 627:and so the 557:Kirchhoff's 97:during his 8492:Categories 8409:Pathria RK 8107:References 7982:1610.01418 2425:Derivation 2176:dissipated 1321:observable 347:explained 153:Resistance 87:Ryogo Kubo 60:admittance 8368:Reichl LE 8242:0710.4394 8197:118575899 8172:0803.0719 7949:119200464 7924:0810.4729 7831:250892844 7747:Nyquist H 7540:− 7492:χ 7469:⟩ 7447:⟨ 7438:∑ 7424:≡ 7349:± 7299:⟩ 7234:⟨ 7225:∑ 7206:≡ 7119:∂ 7087:∂ 7077:≡ 7035:χ 6798:≫ 6790:− 6782:ω 6779:ℏ 6776:β 6770:≈ 6732:^ 6653:ω 6647:χ 6609:ω 6606:ℏ 6596:⁡ 6590:ℏ 6576:ω 6570:χ 6536:ω 6510:ℏ 6492:ω 6489:− 6467:ω 6421:ω 6365:⟩ 6350:^ 6329:^ 6320:⟨ 6294:ω 6275:≠ 6264:ω 6258:χ 6237:ω 6211:ℏ 6199:ω 6181:ω 6178:ℏ 6175:β 6172:− 6158:ω 6155:− 6110:− 6098:− 6093:ω 6090:ℏ 6087:β 6067:ω 6029:⟩ 6014:^ 5993:^ 5984:⟨ 5961:ω 5917:ω 5911:χ 5884:ω 5858:ℏ 5846:ω 5802:ω 5796:χ 5752:ω 5741:⟩ 5726:^ 5705:^ 5696:⟨ 5691:∞ 5683:∞ 5680:− 5676:∫ 5670:ω 5667:ℏ 5664:β 5661:− 5639:ω 5628:⟩ 5613:^ 5601:β 5598:ℏ 5592:− 5580:^ 5571:⟨ 5566:∞ 5558:∞ 5555:− 5551:∫ 5525:ω 5522:ℏ 5519:β 5516:− 5491:β 5488:ℏ 5482:− 5473:Δ 5465:interval 5444:Δ 5438:^ 5427:ℏ 5419:− 5389:^ 5380:β 5377:− 5347:^ 5338:β 5325:^ 5316:β 5313:− 5276:^ 5247:⟩ 5232:^ 5220:β 5217:ℏ 5211:− 5199:^ 5190:⟨ 5172:^ 5158:β 5155:ℏ 5149:− 5137:^ 5125:⏟ 5116:^ 5107:β 5104:− 5084:^ 5070:^ 5061:β 5044:^ 5035:β 5032:− 5004:^ 4990:^ 4981:β 4978:− 4958:^ 4929:^ 4908:^ 4894:^ 4885:β 4882:− 4866:⟩ 4851:^ 4830:^ 4821:⟨ 4777:ω 4766:⟩ 4751:^ 4730:^ 4721:− 4706:^ 4685:^ 4676:⟨ 4671:∞ 4663:∞ 4660:− 4656:∫ 4649:ℏ 4626:ω 4620:χ 4587:⟩ 4572:^ 4563:⟨ 4532:⟩ 4509:^ 4485:^ 4473:⟨ 4459:− 4450:θ 4445:ℏ 4423:− 4414:χ 4369:ω 4361:∗ 4357:χ 4353:− 4347:ω 4341:χ 4322:ω 4316:χ 4283:⟩ 4268:^ 4247:^ 4238:⟨ 4197:ω 4188:^ 4185:χ 4176:⁡ 4168:ω 4145:− 4136:ω 4091:ω 4082:^ 4067:ω 4006:ω 3997:^ 3988:β 3985:ω 3982:− 3970:ω 3961:^ 3958:χ 3949:⁡ 3873:β 3870:− 3843:ω 3837:− 3827:∞ 3818:∫ 3814:β 3811:ω 3799:ω 3790:^ 3787:χ 3781:− 3726:θ 3694:β 3679:χ 3676:− 3626:β 3614:− 3611:τ 3605:θ 3599:τ 3593:χ 3589:τ 3581:∞ 3572:∫ 3529:⟩ 3522:⟨ 3519:− 3516:⟩ 3501:⟨ 3469:⟩ 3456:⟩ 3449:⟨ 3446:− 3419:⟩ 3412:⟨ 3409:− 3391:⟨ 3300:β 3288:⟩ 3281:⟨ 3275:⟩ 3260:⟨ 3235:⟩ 3220:⟨ 3146:⟩ 3139:⟨ 3136:− 3117:β 3086:≈ 3042:≪ 3026:β 2983:− 2979:β 2928:β 2925:− 2919:⁡ 2901:∫ 2881:β 2878:− 2872:⁡ 2810:− 2668:∫ 2654:∫ 2648:⟩ 2633:⟨ 2516:θ 2484:− 2478:θ 2402:ω 2356:→ 2353:ℏ 2307:ω 2304:ℏ 2298:⁡ 2291:ℏ 2271:ω 2222:ϕ 2213:ω 2207:⁡ 2126:ω 2120:− 2098:∞ 2093:∞ 2090:− 2086:∫ 2076:ω 2042:ω 2033:^ 2030:χ 2024:⁡ 2016:ω 1991:− 1982:ω 1940:χ 1917:ω 1908:^ 1905:χ 1856:∞ 1853:− 1847:τ 1821:τ 1811:τ 1808:− 1799:χ 1793:τ 1776:∞ 1773:− 1769:∫ 1756:⟩ 1749:⟨ 1743:⟩ 1728:⟨ 1696:χ 1596:− 1513:⟩ 1507:ω 1499:∗ 1492:^ 1479:ω 1470:^ 1461:⟨ 1452:ω 1410:⟩ 1403:⟨ 1267:ν 1264:Δ 1240:≈ 1237:ν 1234:Δ 1228:× 1222:ω 1206:≈ 1203:⟩ 1190:⟨ 1161:ω 1157:± 1151:ω 1128:π 1114:ω 1111:Δ 1105:ν 1102:Δ 1093:bandwidth 1079:⟩ 1066:⟨ 1011:ω 1005:χ 989:ω 953:≈ 934:ω 909:ω 870:ω 821:ω 818:≈ 807:ω 801:χ 763:− 746:≪ 743:ω 714:ω 708:− 680:ω 666:ω 654:≡ 648:ω 642:χ 576:− 533:capacitor 481:ν 478:Δ 453:≈ 450:⟩ 437:⟨ 414:ν 411:Δ 339:In 1928, 262:μ 74:systems. 68:classical 64:impedance 8411:(1972). 8370:(1980). 8335:14144683 8089:10054401 8019:28174274 7888:16035907 7604:See also 6714:, or to 5023:Tr  4948:Tr  4873:Tr  4522:′ 4466:′ 4430:′ 2941:′ 2911:′ 2696:′ 2682:′ 2664:′ 2587:′ 1179:. Hence 509:resistor 307:terminal 164:resistor 91:Einstein 8350:231–265 8315:Bibcode 8276:Bibcode 8247:Bibcode 8177:Bibcode 8123:Bibcode 8097:8591240 8069:Bibcode 8010:5338409 7987:Bibcode 7929:Bibcode 7896:9787833 7868:Bibcode 7811:Bibcode 7761:Bibcode 7719:Bibcode 7675:Bibcode 6127:is the 4806:In the 3247:yields 2537:is the 327:is the 319:is the 8457:  8438:  8419:  8397:  8378:  8356:  8333:  8195:  8095:  8087:  8017:  8007:  7947:  7894:  7886:  7829:  7404:, and 7328:where 4031:, the 3903:Since 3353:where 2970:where 2508:where 1319:be an 531:and a 323:, and 8473:(PDF) 8331:S2CID 8305:arXiv 8237:arXiv 8193:S2CID 8167:arXiv 8093:S2CID 8059:arXiv 7977:arXiv 7945:S2CID 7919:arXiv 7892:S2CID 7858:arXiv 7827:S2CID 7641:Notes 6679:The " 5461:with 3176:here 2283:with 1327:with 1323:of a 38:) or 8455:ISBN 8436:ISBN 8417:ISBN 8395:ISBN 8376:ISBN 8354:ISBN 8085:PMID 8033:link 8015:PMID 7884:PMID 6887:0.64 6593:coth 6041:and 3768:(**) 2295:coth 1290:Let 183:and 155:and 140:drag 131:and 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1476:( 1467:x 1458:= 1455:) 1449:( 1444:x 1440:S 1414:0 1406:x 1383:) 1380:t 1377:( 1374:x 1354:) 1351:x 1348:( 1343:0 1339:H 1307:) 1304:t 1301:( 1298:x 1261:T 1255:B 1250:k 1246:R 1243:4 1231:2 1225:) 1219:( 1214:V 1210:S 1198:2 1194:V 1165:0 1154:= 1131:) 1125:2 1122:( 1118:/ 1108:= 1074:2 1070:V 1043:T 1037:B 1032:k 1028:R 1025:2 1022:= 1018:] 1014:) 1008:( 1001:[ 984:2 980:C 974:T 968:B 963:k 959:2 946:2 942:C 937:) 931:( 926:Q 922:S 915:= 912:) 906:( 901:V 897:S 873:) 867:( 862:V 858:S 832:2 828:C 824:R 814:] 810:) 804:( 797:[ 766:1 759:) 755:C 752:R 749:( 717:R 711:i 703:C 700:1 694:1 689:= 683:) 677:( 674:V 669:) 663:( 660:Q 651:) 645:( 610:C 607:Q 602:+ 596:t 593:d 588:Q 585:d 579:R 573:= 570:V 543:C 519:R 484:. 474:T 468:B 463:k 459:R 456:4 445:2 441:V 391:T 385:B 380:k 359:R 325:T 317:B 314:k 303:μ 299:D 278:T 272:B 267:k 258:= 255:D 42:( 34:( 20:)

Index

Fluctuation-dissipation theorem
statistical physics
detailed balance
thermodynamic fluctuations
admittance
impedance
classical
quantum mechanical
Herbert Callen
Theodore Welton
Ryogo Kubo
Einstein
Brownian motion
annus mirabilis
Harry Nyquist
Johnson noise
thermal fluctuations
Drag
Brownian motion
drag
Brownian motion
Resistance
Johnson noise
resistor
Joule heating
Johnson noise
Light absorption
thermal radiation
thermal radiation
Kirchhoff's law of thermal radiation

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