From multiplicative noise to directed percolation in wetting transitions

F Ginelli, V Ahlers, R Livi, D Mukamel, A Pikovsky, A Politi, A Torcini

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Abstract

A simple one-dimensional microscopic model of the depinning transition of an interface from an attractive hard wall is introduced and investigated. Upon varying a control parameter, the critical behavior observed along the transition line changes from a directed-percolation type to a multiplicative-noise type. Numerical simulations allow for a quantitative study of the multicritical point separating the two regions. Mean-field arguments and the mapping on yet a simpler model provide some further insight on the overall scenario.

Original languageEnglish
Article number065102(R)
Number of pages4
JournalPhysical Review. E, Statistical, Nonlinear and Soft Matter Physics
Volume68
Issue number6
DOIs
Publication statusPublished - 11 Dec 2003

Keywords

  • phase-transition
  • systems
  • diffusion

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