Critical behavior of a cubic-lattice 3D Ising model for systems with quenched disorder

被引：33
|
作者：
Murtazaev, AK [1 ]
Kamilov, IK [1 ]
Babaev, AB [1 ]
机构：
[1] Russian Acad Sci, Inst Phys, Dagestan Sci Ctr, Makhachkala 367003, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2004年 / 99卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1854807
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A Monte Carlo method is applied to simulate the static critical behavior of a cubic-lattice 3D Ising model for systems with quenched disorder. Numerical results are presented for the spin concentrations of p = 1.0, 0.95, 0.9, 0.8, 0.6 on L x L x L lattices with L = 20-60 under periodic boundary conditions. The critical temperature is determined by the Binder cumulant method. A finite-size scaling technique is used to calculate the static critical exponents alpha, beta,gamma, and nu (for specific heat, susceptibility, magnetization, and correlation length, respectively) in the range of p under study. Universality classes of critical behavior are discussed for three, dlimensional diluted systems. (C) 2004 MAIK "Nauka/lnterperiodica ".
引用
收藏
页码：1201 / 1206
页数：6
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