Article,

The Asymmetric Exclusion Process and Brownian Excursions

, , and .
Journal of Statistical Physics, 115 (1): 365--382 (April 2004)

Abstract

We consider the totally asymmetric exclusion process (TASEP) in one dimension in its maximal current phase. We show, by an exact calculation, that the non-Gaussian part of the fluctuations of density can be described in terms of the statistical properties of a Brownian excursion. Numerical simulations indicate that the description in terms of a Brownian excursion remains valid for more general one dimensional driven systems in their maximal current phase. ER -

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