• The fluctuationdissipation theorem (FDT) or fluctuationdissipation relation (FDR) is a powerful tool in statistical physics for predicting the behavior...
    29 KB (4,352 words) - 09:47, 8 March 2025
  • The fluctuation theorem (FT), which originated from statistical mechanics, deals with the relative probability that the entropy of a system which is currently...
    24 KB (3,213 words) - 16:48, 20 March 2025
  • where γ {\displaystyle \gamma } is the viscosity. This is the fluctuation-dissipation theorem. In fact, for most trajectories, the work is positive, but...
    11 KB (1,629 words) - 12:35, 7 November 2023
  • include chemical reactions and flows of particles and heat. The fluctuationdissipation theorem is the basic knowledge obtained from applying non-equilibrium...
    43 KB (5,068 words) - 22:07, 26 April 2025
  • In density functional theory (DFT) the adiabatic-connection fluctuation-dissipation theorem (ACFD) is an exact formula for the Kohn–Sham correlation energy...
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  • Orbital-free density functional theory Adiabatic connection fluctuation dissipation theorem Görling-Levy pertubation theory Optimized effective potential...
    80 KB (10,626 words) - 22:19, 9 May 2025
  • Thumbnail for Johnson–Nyquist noise
    statistical physical derivation of this noise is called the fluctuation-dissipation theorem, where generalized impedance or generalized susceptibility...
    33 KB (3,800 words) - 11:32, 25 May 2025
  • Thumbnail for Thermal fluctuations
    and dissipation (including damping and viscosity). The competing effects of random drift and resistance to drift are related by the fluctuation-dissipation...
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  • Thumbnail for Kinetic theory of gases
    connected to the principle of detailed balance, in terms of the fluctuation-dissipation theorem (for Brownian motion) and the Onsager reciprocal relations...
    62 KB (8,974 words) - 15:13, 27 May 2025
  • Thumbnail for Zero-point energy
    between the form of the dissipation and the spectral density of the fluctuation is the essence of the fluctuation-dissipation theorem. The fact that the canonical...
    206 KB (26,543 words) - 23:43, 25 May 2025
  • approaches positive infinity, the momentum fluctuation of this system is related to the energy dissipation (friction term parameter γ {\displaystyle \gamma...
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  • party in Chad File descriptor table Flattened device tree Fluctuation-dissipation theorem Future-directed therapy, a form of psychotherapy Powerflasher...
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  • co-written with Theodore A. Welton presenting a proof of the fluctuation-dissipation theorem, an extremely general result describing how a system's response...
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  • theory) Fluctuation dissipation theorem (physics) Fluctuation theorem (statistical mechanics) H-theorem (thermodynamics) Hohenberg–Kohn theorems (density...
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  • Thumbnail for Theodore A. Welton
    American theoretical physicist best known as the co-author of the fluctuation dissipation theorem. During 1944 and 1945 he worked at Project Y in Los Alamos...
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  • is the Runge–Gross (RG) theorem (1984) – the time-dependent analogue of the Hohenberg–Kohn (HK) theorem (1964). The RG theorem shows that, for a given...
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  • describes the probability ratios. Density matrix Fluctuation theorem Fluctuationdissipation theorem Green's function (many-body theory) Lindblad equation...
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  • periodic function, with the same periodicity as the crystal lattice. Bloch's theorem proves that the solutions to this differential equation can be written...
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  • Thumbnail for Resistor
    temperature and resistance of the resistor, and is predicted by the fluctuationdissipation theorem. Using a larger value of resistance produces a larger voltage...
    71 KB (8,301 words) - 20:04, 26 March 2025
  • Dissipation function may refer to Rayleigh's dissipation function Dissipation function under the fluctuation theorem This disambiguation page lists articles...
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  • Orbital-free density functional theory Adiabatic connection fluctuation dissipation theorem Görling-Levy pertubation theory Optimized effective potential...
    10 KB (1,298 words) - 23:59, 24 May 2025
  • Thumbnail for Fluid dynamics
    model thermal fluctuations. As formulated by Landau and Lifshitz, a white noise contribution obtained from the fluctuation-dissipation theorem of statistical...
    32 KB (4,347 words) - 23:51, 24 May 2025
  • Thumbnail for LSZ reduction formula
    can be used to get a particularly general formulation of the fluctuation-dissipation theorem. S-matrix elements are probability amplitudes of transitions...
    29 KB (6,610 words) - 20:06, 28 May 2025
  • well as the dissipation which is done as the system evolves. It is this crucial difference in approach that allows the fluctuation theorem to correctly...
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  • Thumbnail for Fokker–Planck equation
    {1}{\gamma }}-D\beta \right)} This relation is a realization of the fluctuationdissipation theorem. Now applying ∇ ⋅ ∇ {\displaystyle \nabla \cdot \nabla } to...
    42 KB (7,586 words) - 11:58, 24 May 2025
  • density functional theory, e.g. in the adiabatic connection fluctuation dissipation theorem, which is not wave-function based and for which the standard...
    17 KB (2,809 words) - 08:08, 25 May 2025
  • essentially a dual of what is now known as the Nyquist–Shannon sampling theorem. Nyquist rate: sampling rate twice the bandwidth of the signal's waveform...
    9 KB (862 words) - 10:00, 4 September 2024
  • Orbital-free density functional theory Adiabatic connection fluctuation dissipation theorem Görling-Levy pertubation theory Optimized effective potential...
    9 KB (947 words) - 19:39, 23 April 2025
  • based on bounded rationality models used by economists. The fluctuation-dissipation theorem connects the two to establish a concrete correspondence of...
    29 KB (3,239 words) - 01:35, 24 May 2025
  • atoms observed experimentally. Equilibrium thermodynamics Fluctuation dissipation theorem Important Publications in Statistical Mechanics Non-equilibrium...
    39 KB (5,544 words) - 14:52, 5 January 2024