Transverse Fluctuations in the Driven Lattice Gas

Details Transverse Fluctuations in the Driven Lattice Gas Transverse Fluctuations in the Driven Lattice Gas

2002-11-28

arxiv.org/abs/cond-mat/0211669v1

J.Phys. A36 (2003) L315-L320

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1088/0305-4470/36/21/101

We define a transverse correlation length suitable to discuss the finite-size-scaling behavior of an out-of-equilibrium lattice gas, whose correlation functions decay algebraically with the distance. By numerical simulations we verify that this definition has a good infinite-volume limit independent of the lattice geometry. We study the transverse fluctuations as they can select the correct field-theoretical description. By means of a careful finite-size scaling analysis, without tunable parameters, we show that they are Gaussian, in agreement with the predictions of the model proposed by Janssen, Schmittmann, Leung, and Cardy.

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