Work and power production in non-equilibrium systems

被引：8
|
作者：
Gaveau, B. [1 ]
Moreau, M. [1 ]
Schulman, L. S. [2 ]
机构：
[1] Univ Paris 06, LPTMC, F-75252 Paris 05, France
[2] Clarkson Univ, Dept Phys, Potsdam, NY 13699 USA
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 19期
基金：
美国国家科学基金会;
关键词：
work; non-equilibrium; Markov systems; jarzynski's equality;
D O I：
10.1016/j.physleta.2008.01.081
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study work production in a Markov system obeying discrete stochastic dynamics. As our main result, we establish a new equality concerming C the work produced during a spontaneous transformation in an isothermal, non-equilibrium system. Then we consider the overall evolution of a non-equilibrium system driven by an external parameter and generalize Jarzynski's equality for systems maintained out of equilibrium. That equality is recovered if the initial and final state distributions are equilibriums. (c) 2008 Elsevier B.V. All rights reserved.
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页码：3415 / 3422
页数：8
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