Modified Jarzynski Relation for non-Markovian noise

Details Modified Jarzynski Relation for non-Markovian noise Modified Jarzynski Relation for non-Markovian noise

2008-07-23

arxiv.org/abs/0807.3681v1

Physics

Condensed Matter

Statistical Mechanics

9 pages 1 figure

Scientific paper

We demonstrate the conventional Jarzynski relation (JR) is violated for a non-Markovian process with colored noise. As an example an exactly soluble model is considered with a simple protocol for the external work performed on the system along a non-equilibrium trajectory. For that model we derive an exact expression for the dissipative energy in terms of an arbitrary correlator of the noise characterized by an autocorrelation time $t_c$. As the result we find corrections to the JR in terms of $t_c$. In the limiting case of a Gaussian process as well as an infinitely slow process the conventional JR is retained. The result is valid for an arbitrary colored noise.

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