Fluctuation relations with intermittent non-Gaussian variables
Statistical Mechanics
2011-12-13 v1 Fluid Dynamics
Abstract
Non-equilibrium stationary fluctuations may exhibit a special symmetry called fluctuation relations (FR). Here, we show that this property is always satisfied by the subtraction of two random and independent variables related by a thermodynamic-like change of measure. Taking one of them as a modulated Poisson process, it is demonstrated that intermittence and FR are compatibles properties that may coexist naturally. Strong non-Gaussian features characterize the probability distribution and its generating function. Their associated large deviation functions (LDF) develop a kink at the origin and a plateau regime respectively. Application of this model in different stationary nonequilibrium situations is discussed.
Cite
@article{arxiv.1112.2616,
title = {Fluctuation relations with intermittent non-Gaussian variables},
author = {Adrian A. Budini},
journal= {arXiv preprint arXiv:1112.2616},
year = {2011}
}
Comments
7 pages, 3 figures