99-209 Maes C., Redig F., Van Moffaert A.
On the definition of entropy production via examples (90K, LATeX 2e) Jun 4, 99
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Abstract. We present a definition of entropy production rate for classes of deterministic and stochastic dynamics. The point of departure is a Gibbsian representation of the steady state pathspace measure for which `the density' is determined with respect to the time-reversed process. The Gibbs formalism is used as a unifying algorithm capable of incorporating basic properties of entropy production in nonequilibrium systems. Our definition is motivated by recent work on the Gallavotti-Cohen (local) fluctuation theorem and it is illustrated via a number of examples.

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