Percolation in deposits for competitive models in (1+1)-dimensions

N.i Lebovka, S.s Manna, S Tarafdar and N.v Vygornitskii

Physica A: Statistical Mechanics and its Applications, 2004, vol. 339, issue 3, 385-391

Abstract: The percolation behaviour during the deposit formation, when the spanning cluster was formed in the substrate plane, was studied. Two competitive or mixed models of surface layer formation were considered in (1+1)-dimensional geometry. These models are based on the combination of ballistic deposition (BD) and random deposition (RD) models or BD and family deposition (FD) models. Numerically we find, that for pure RD, FD or BD models the mean height of the percolation deposit h̄ grows with the substrate length L according to the generalized logarithmic law h̄∝(ln(L))γ, where γ=1 (RD), γ=0.88±0.02 (FD) and γ=1.52±0.02 (BD). For BD model, the scaling law between deposit density p and its mean height h̄ at the point of percolation of type p−p∞∝h̄−1/νh are observed, where νh=1.74±0.02 is a scaling coefficient. For competitive models the crossover, corresponding to the RD or FD-like behaviour at small L and the BD-like behaviour at large L are observed.

Keywords: Percolation; Deposition models; Scaling laws (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:339:y:2004:i:3:p:385-391

DOI: 10.1016/j.physa.2004.03.006

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