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The nonequilibrium Fokker-Planck dynamics with a non-conservative drift field, in dimension $N\geq 2$, can be related with the non-Hermitian quantum mechanics in a real scalar potential $V$ and in a purely imaginary vector potential -$iA$…

统计力学 · 物理学 2024-05-31 P. Garbaczewski , M. Żaba

We discuss dissipative processes in strongly gyrotropic, nearly collisionless plasma in clusters of galaxies (ICM). First, we point out that Braginsky theory, which assumes that collisions are more frequent that the system's dynamical time…

天体物理学 · 物理学 2009-11-13 Maxim Lyutikov

Dispersion forces between neutral material bodies are due to fluctuations of the polarization of the bodies. For bodies in equilibrium these forces are often referred to as Casimir-Lifshitz forces. For bodies in relative motion, in addition…

量子物理 · 物理学 2022-09-12 Iver Brevik , Boris Shapiro , Mário Silveirinha

By analogy with linear-response we formulate the duality and reciprocity properties of current and voltage fluctuations expressed by Nyquist relations including the intrinsic bandwidths of the respective fluctuations. For this purpose we…

统计力学 · 物理学 2016-09-14 Lino Reggiani , Eleonora Alfinito , Tilmann Kuhn

Using gauge/gravity duality, we study emission and absorption rates of scalar quanta from far-from-equilibrium N = 4 supersymmetric Yang-Mills plasma. By comparing the emission and absorption rates to expectations from the…

高能物理 - 理论 · 物理学 2012-11-05 Paul M. Chesler , Derek Teaney

Systems of many nanoparticles or volume-discretized bodies exhibit collective radiative properties that could be used for enhanced, guided, or tunable thermal radiation. These are commonly treated as assemblies of point dipoles with…

介观与纳米尺度物理 · 物理学 2019-11-27 Eric J. Tervo , Mathieu Francoeur , Baratunde A. Cola , Zhuomin M. Zhang

The electrical and heat currents flowing through a quantum dot are calculated in the presence of a time-modulated gate voltage with the help of the out-of-equilibrium Green function technique. From the first harmonics of the currents, we…

介观与纳米尺度物理 · 物理学 2017-09-05 Adeline Crépieux

Fluctuation theorems establish exact relations for nonequilibrium dynamics, profoundly advancing the field of stochastic thermodynamics. In this work, we extend quantum fluctuation theorems beyond the traditional thermodynamic framework to…

量子物理 · 物理学 2026-02-24 Kun Zhang , Mo-Yang Ni , Hai-Long Shi , Xiao-Hui Wang , Jin Wang

We develop a general framework for response theory in diffusion processes governed by Fokker-Planck equations, based on the notion of the Dissipation Function. Using the analytically solvable Brownian oscillator model, we derive exact…

统计力学 · 物理学 2025-07-25 Matteo Colangeli , Lamberto Rondoni , Pasquale Vozza

Aspects of the formation and equilibration of a quark-gluon plasma are explored using a quantum kinetic equation, which involves a non-Markovian, Abelian source term for quark and antiquark production and, for the collision term, a…

Nonlinear energy-conserving drift-fluid equations that are suitable to describe self-consistent finite-beta low-frequency electromagnetic (drift-Alfven) turbulent fluctuations in a nonuniform, anisotropic, magnetized plasma are derived from…

等离子体物理 · 物理学 2009-11-11 Alain J. Brizard

The methods of non-equilibrium quantum field theory are used to investigate the possibility of representing dissipation in the equation of motion for the expectation value of a scalar field by a friction term, such as is commonly included…

高能物理 - 唯象学 · 物理学 2009-11-07 Ian D. Lawrie

We analyze the full-counting statistics of the electric heat current flowing in a two-terminal quantum conductor whose temperature is probed by a third electrode ("probe electrode"). In particular we demonstrate that the cumulant-generating…

介观与纳米尺度物理 · 物理学 2014-05-26 Y. Utsumi , O. Entin-Wohlman , A. Aharony , T. Kubo , Y. Tokura

This paper provides a complete self-consistent nonlinear theory for electron plasma waves, within the framework of the adiabatic approximation. The theory applies whatever the variations of the wave amplitude, provided that they are slow…

等离子体物理 · 物理学 2022-05-25 M. Tacu , D. Bénisti

Predicting the charged particle transport properties of warm dense matter / hot dense plasma mixtures is a challenge for analytical models. High accuracy ab initio methods are more computationally expensive, but can provide critical insight…

等离子体物理 · 物理学 2024-04-12 Alexander J. White , Galen T. Craven , Vidushi Sharma , Lee A. Collins

A new approach for the calculation of collisional inverse bremsstrahlung absorption of laser light in dense plasmas is presented. Quantum statistical formalism used allows avoiding {\em ad hoc} cutoffs that were necessary in classical…

等离子体物理 · 物理学 2009-05-28 A. Grinenko , D. O. Gericke

Fokker-Planck equation with the velocity-dependent coefficients is considered for various isotropic systems on the basis of probability transition (PT) approach. This method provides the self-consistent and universal description of friction…

等离子体物理 · 物理学 2009-11-07 S. A. Trigger

Quantum criticality provides an important route to revealing universal non-equilibrium behaviour. A canonical example of a quantum critical point is the Bose-Hubbard model, which we study under the application of an electric field. A…

强关联电子 · 物理学 2015-06-18 A. M. Berridge , A. G. Green

We study the effective dynamics of an open scalar field interacting with a strongly-coupled two-dimensional rotating CFT plasma. The effective theory is determined by the real-time correlation functions of the thermal plasma. We employ…

高能物理 - 理论 · 物理学 2021-09-10 Bidisha Chakrabarty , P. M. Aswin

The fluctuation-dissipation relation, a central result in non-equilibrium statistical physics, relates equilibrium fluctuations in a system to its linear response to external forces. Here we provide a direct experimental verification of…

软凝聚态物质 · 物理学 2017-11-15 Shuvojit Paul , Abhrajit Laskar , Rajesh Singh , Basudev Roy , R. Adhikari , Ayan Banerjee