Entropy production along a stochastic trajectory and an integral fluctuation theorem

2005/03/29 by Udo Seifert · 7 citations
Physics and Astronomy · #cond-mat.stat-mech #cond-mat.soft

paper · pdf · doi:10.1103/physrevlett.95.040602

published as Phys Rev Lett, 95, 040602, 2005 · 4 pages, RevTex

arxiv created 2005/03/29 · arxiv updated 2012/05/21

Abstract

For stochastic non-equilibrium dynamics like a Langevin equation for a colloidal particle or a master equation for discrete states, entropy production along a single trajectory is studied. It involves both genuine particle entropy and entropy production in the surrounding medium. The integrated sum of both Δs\tis shown to obey a fluctuation theorem <exp[-Δs\t]> =1 for arbitrary initial conditions and arbitrary time-dependent driving over a finite time interval.

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