Model for nonequilibrium wetting transitions in two dimensions

Year: 1997

Authors: Hinrichsen H., Livi R., Mukamel D., Politi A.

Autors Affiliation: Department of Physics of Complex Systems, Weizmann Institute, Rehovot 76100, Israel;
Max Planck Institut für Physik Koplexer Systeme Nöthnitzer Str. 38, D-01187 Dresden, Germany;
Dipartimento di Fisica, Università di Firenze, 50125 Firenze, Italy;
Istituto Nazionale di Fisica della Materia, 50125 Firenze, Italy;
Istituto Nazionale di Fisica Nucleare, 50125 Firenze, Italy;
Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: A simple two-dimensional (2D) model of a phase growing on a substrate is introduced. The model is characterized by an adsorption rate q, and a desorption rate p. It exhibits a wetting transition which may be viewed as an unbinding transition of an interface from a wall. For p = 1, the model may be mapped onto an exactly soluble equilibrium model exhibiting complete wetting with critical exponents gamma = 1/3 for the diverging interface width and x(0) = 1 for the zero-level occupation. For 0 < p not equal 1 a crossover to different exponents is observed which is related to a Kardar-Parisi-Zhang-type nonlinearity. Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 79 (14)      Pages from: 2710  to: 2713

KeyWords: Roughening Transition; Interfaces
DOI: 10.1103/PhysRevLett.79.2710

Citations: 68
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