Volume 75, Number 2, July 2006
|Page(s)||227 - 233|
|Published online||14 June 2006|
Breakdown of Gallavotti-Cohen symmetry for stochastic dynamics
Institut für Festkörperforschung, Forschungszentrum Jülich - 52425 Jülich, Germany
2 Department of Physics of Complex Systems, Weizmann Institute of Science Rehovot 76100, Israel
Corresponding author: firstname.lastname@example.org
Accepted: 26 May 2006
We consider the behaviour of current fluctuations in the one-dimensional partially asymmetric zero-range process with open boundaries. Significantly, we find that the distribution of large current fluctuations does not satisfy the Gallavotti-Cohen symmetry and that such a breakdown can generally occur in systems with unbounded state space. We also discuss the dependence of the asymptotic current distribution on the initial state of the system.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 02.50.Ey – Stochastic processes
© EDP Sciences, 2006
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