期刊
JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
卷 -, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1742-5468/2010/10/P10008
关键词
stationary states; current fluctuations; large deviations in nonequilibrium systems
资金
- Deutsche Forschungsgemeinschaft [HI 744/3-1]
- Federal German Ministry for Education and Research
- Koshland Center for Basic Research
We study entropy production and fluctuation relations in the restricted solid-on-solid growth model, which is a microscopic realization of the Kardar-Parisi-Zhang (KPZ) equation. Solving the one-dimensional model exactly on a particular line of the phase diagram we demonstrate that entropy production quantifies the distance from equilibrium. Moreover, as an example of a physically relevant current different from the entropy, we study the symmetry of the large deviation function associated with the interface height. In a special case of a system of length L = 4 we find that the probability distribution of the variation of height has a symmetric large deviation function, displaying a symmetry different from the Gallavotti-Cohen symmetry.
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