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95 040 (0,238s) •

Result

Canonical structure of dynamical fluctuations in mesoscopic nonequilibrium steady states

We construct the explicit form of the functional governing the dynamical occupation density and current fluctuations for a generic mesoscopic system in a nonequilibrium steady state....

BE - Teoretická fyzika

  • 2008
    • •
  • Jx
Result

Nonequilibrium calorimetry

By analyzing the heat exchange between a driven nonequilibrium system and its thermal environment with varying temperature we propose a consistent extension of the (equilibrium) heat capacity to systems at nonequilibrium steady<...

Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

  • 2019
    • •
  • Jimp
    • •
  • Link
Result

Monotonic return to steady nonequilibrium

We propose a new candidate Lyapunov function for relaxation towards general nonequilibrium steady states which is is obtained from the large-time asymptotics of time-symmetric ?uctuations. We show that it significantly impr...

BE - Teoretická fyzika

  • 2011
    • •
  • Jx
    • •
  • Link
Result

Heat capacity in nonequilibrium steady states

We show how to extend the concept of heat capacity to nonequilibrium stochastic systems. We derive a general formula for the steady heat capacity in which an additional term appears to the usual energy?temperature response. Examples...

BM - Fyzika pevných látek a magnetismus

  • 2011
    • •
  • Jx
    • •
  • Link
Result

Driving-induced stability with long-range effects

We analyze the stability of quasistatic probes immersed in a steady nonequilibrium medium (e.g., containing active particles). We prove that under certain conditions the nonequilibrium driving in the medium always enhances ...

BE - Teoretická fyzika

  • 2016
    • •
  • Jx
    • •
  • Link
Result

How statistical forces depend on thermodynamics and kinetics of driven media

We study the effective force of a nonequilibrium environment on a slow probe. It is shown that close to equilibrium the isothermal work on the probe coincides with the excess work for the medium to relax to its new steady condition ...

BE - Teoretická fyzika

  • 2015
    • •
  • Jx
    • •
  • Link
Result

Steady state statistics of driven diffusions

We analyze the dynamical steady fluctuations in overdamped diffusion processes out of thermal equilibrium and beyond the quadratic approximation of the Onsager-Machlup fluctuation theory....

BE - Teoretická fyzika

  • 2008
    • •
  • Jx
Result

Nonequilibrium corrections to gradient flow

The force on a probe induced by a nonequilibrium medium is in general nongradient. We detail the mechanism of this feature via nonequilibrium response theory. The emergence of nongradient forces is due to a systematic twist of the e...

Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

  • 2019
    • •
  • Jimp
    • •
  • Link
Result

Statistical forces from close-to-equilibrium media

We analyze in detail the thermodynamic and statistical mechanical origin of a recent finding that the leading nonequilibrium correction to statistical forces from nonequilibrium media is directly related to their quasistatic energet...

BE - Teoretická fyzika

  • 2015
    • •
  • Jx
    • •
  • Link
Result

A selection of nonequilibrium issues

Lecture notes from a minicourse given at the 5th Prague Summer School on Mathematical Statistical Physics that took place in September 2006.

BE - Teoretická fyzika

  • 2009
    • •
  • C
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