SIZE DEPENDENCE OF SELF-DIFFUSION IN THE HARD-SQUARE LATTICE GAS

被引：21

作者：

JACKLE, J

FROBOSE, K

KNODLER, D

机构：

[1] Fakultät für Physik, Universität Konstanz, Konstanz

来源：

JOURNAL OF STATISTICAL PHYSICS | 1991年 / 63卷 / 1-2期

关键词：

LATTICE GAS; SELF-DIFFUSION; SIZE EFFECT; BOOTSTRAP PERCOLATION; MONTE-CARLO SIMULATION;

D O I：

10.1007/BF01026602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A striking size dependence of the mean-square displacement of diffusing particles in the two-dimensional lattice gas of hard squares has been observed by Monte Carlo simulation. It is shown that the size effect is due to the formation of a stable cage structure in small lattices when the particle concentration is high. The formation of cages is governed by a new type of percolation problem related to bootstrap percolation.

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页码：249 / 260

页数：12

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