Percolation of dimers irreversibly adsorbed on heterogeneous surfaces

被引：3

作者：

Gimenez, M. C. ^{[1
]}

Ramirez-Pastor, A. J. ^{[2
]}

机构：

[1] UNC, IFEG CONICET, Fac Matemat Astron & Fis, Cordoba, Argentina

[2] Univ Nacl San Luis, CONICET, Inst Fis Aplicada, Dept Fis, San Luis, Argentina

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2015年 / 421卷

关键词：

Percolation; Dimers; Adsorption; Heterogeneous surfaces; 2-DIMENSIONAL LATTICES; ADSORPTION; THRESHOLD; MONOMERS; BEHAVIOR;

D O I：

10.1016/j.physa.2014.11.036

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The percolation problem of irreversibly deposited dimers on square lattices with two kinds of sites is studied. Simple adsorptive surfaces are generated by square patches of l x l sites, which can be either arranged in a deterministic chessboard structure or in a random way. Thus, the system can be characterized by the distribution (ordered or random) of the patches, the patch size I and the probability of occupying each patch theta(i) (i = 1, 2). Dimers (particles that occupy two neighboring sites simultaneously) are irreversibly adsorbed on the lattice. By means of random adsorption simulations and finite-size scaling analysis, a complete (theta(1)-theta(2)-l) phase diagram separating a percolating and a non-percolating region is determined. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：261 / 268

页数：8

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