Percolation of finite-sized objects on a lattice

被引：5
|
作者：
Amritkar, RE [1 ]
Roy, M
机构：
[1] Phys Res Lab, Ahmedabad 380009, Gujarat, India
[2] Univ Pune, Dept Phys, Pune 411007, Maharashtra, India
来源：
PHYSICAL REVIEW E | 1998年 / 57卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.57.1269
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We study the percolation of finite-sized objects on two- and three-dimensional lattices. Our motivation stems, on one hand, from some recent interesting experimental results on transport properties of impurity-doped oxide perovskites, and on the other hand from the theoretical appeal that this problem presents. Our system exhibits a well-defined percolation threshold. We estimate the size of magnetic polarons, believed to be the carriers of the above-mentioned transport. We have also obtained two critical exponents for our model, which characterize its universality class. [S1063-651X(98)06801-9].
引用
收藏
页码：1269 / 1272
页数：4
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