Wetting under non-equilibrium conditions

Abstract

We report a detailed account of the phase diagram of a recently introduced model for non-equilibrium wetting in 1+1 dimensions [Phys. Rev. Lett. 79, 2710 (1997)]. A mean field approximation is shown to reproduce the main features of the phase diagram, while providing indications for the behaviour of the wetting transition in higher dimensions. The mean field phase diagram is found to exhibit an extra transition line which does not exist in 1+1 dimensions. The line separates a phase in which the interface height distribution decays exponentially at large heights, from a superexponentially decaying phase. Implications to wetting in dimensions higher than 1+1 are discussed.

RevTeX, 19 pages, 14 eps figures

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