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      Entropy production along a stochastic trajectory and an integral fluctuation theorem

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          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 \(\Delta s\t\)is shown to obey a fluctuation theorem \(<\exp[-\Delta s\t]> =1\) for arbitrary initial conditions and arbitrary time-dependent driving over a finite time interval.

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          A nonequilibrium equality for free energy differences

           C Jarzynski (1996)
          An expression is derived for the classical free energy difference between two configurations of a system, in terms of an ensemble of finite-time measurements of the work performed in parametrically switching from one configuration to the other. Two well-known equilibrium identities emerge as limiting cases of this result.
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            Dynamical Ensembles in Nonequilibrium Statistical Mechanics

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              Probability of second law violations in shearing steady states

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                Author and article information

                Journal
                29 March 2005
                10.1103/PhysRevLett.95.040602
                cond-mat/0503686
                Custom metadata
                Phys Rev Lett, 95, 040602, 2005
                4 pages, RevTex
                cond-mat.stat-mech cond-mat.soft

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