Nonequilibrium stochastic processes: Time dependence of entropy flux and entropy production

Details Nonequilibrium stochastic processes: Time dependence of entropy flux and entropy production Nonequilibrium stochastic processes: Time dependence of entropy flux and entropy production

2002-05-24

arxiv.org/abs/cond-mat/0205500v1

Physics

Condensed Matter

Statistical Mechanics

RevTex, 17 pages, 9 figures. To appear in Phys. Rev. E

Scientific paper

10.1103/PhysRevE.66.026122

Based on the Fokker-Planck and the entropy balance equations we have studied the relaxation of a dissipative dynamical system driven by external Ornstein-Uhlenbeck noise processes in absence and presence of nonequilibrium constraint in terms of the thermodynamically inspired quantities like entropy flux and entropy production. The interplay of nonequilibrium constraint, dissipation and noise reveals some interesting extremal nature in the time dependence of entropy flux and entropy production.

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