Nonequilibrium wetting of finite samples

Details Nonequilibrium wetting of finite samples Nonequilibrium wetting of finite samples

2005-03-23

arxiv.org/abs/cond-mat/0503582v2

JSTAT 0605 (2005) P06002

Physics

Condensed Matter

Statistical Mechanics

17 pages, 8 figures, revision

Scientific paper

10.1088/1742-5468/2005/06/P06002

As a canonical model for wetting far from thermal equilibrium we study a Kardar-Parisi-Zhang interface growing on top of a hard-core substrate. Depending on the average growth velocity the model exhibits a non-equilibrium wetting transition which is characterized by an additional surface critical exponent theta. Simulating the single-step model in one spatial dimension we provide accurate numerical estimates for theta and investigate the distribution of contact points between the substrate and the interface as a function of time. Moreover, we study the influence of finite-size effects, in particular the time needed until a finite substrate is completely covered by the wetting layer for the first time.

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