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Test of the fluctuation theorem for stochastic entropy production in a nonequilibrium steady state
Gómez Marín, Alejandro; Pagonabarraga Mora, Ignacio
Universitat de Barcelona
We derive a simple closed analytical expression for the total entropy production along a single stochastic trajectory of a Brownian particle diffusing on a periodic potential under an external constant force. By numerical simulations we compute the probability distribution functions of the entropy and satisfactorily test many of the predictions based on Seiferts integral fluctuation theorem. The results presented for this simple model clearly illustrate the practical features and implications derived from such a result of nonequilibrium statistical mechanics.
2011-07-26
Física
Sistemes no lineals
Physics
Nonlinear systems
(c) American Physical Society, 2006
Article
The American Physical Society
         

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