Monte Carlo simulations of the random-field Ising model

被引:17
作者
Barber, WC [1 ]
Belanger, DP [1 ]
机构
[1] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA
关键词
random-field Ising model; critical behaviors; Monte Carlo simulation;
D O I
10.1016/S0304-8853(00)00917-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Ising Monte Carlo simulations of the random-field Ising system Fe0.80Zn0.02F2 are presented for H = 10 T. The specific heat critical behavior is consistent with alpha approximate to 0 and the staggered magnetization with beta approximate to 0.25 +/- 0.03. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:545 / 547
页数:3
相关论文
共 6 条
[1]   The random field critical concentration in dilute antiferromagnets [J].
Barber, WC ;
Belanger, DP .
JOURNAL OF APPLIED PHYSICS, 2000, 87 (09) :7049-7051
[2]   CONCENTRATION-DEPENDENCE OF THE RANDOM-FIELD-CROSSOVER SCALING IN FEXZN1-XF2 [J].
FERREIRA, IB ;
KING, AR ;
JACCARINO, V .
PHYSICAL REVIEW B, 1991, 43 (13) :10797-10802
[3]  
REIGER H, 1993, J PHYS A, V26, P5279
[4]   CRITICAL-BEHAVIOR OF THE 3-DIMENSIONAL RANDOM-FIELD ISING-MODEL - 2-EXPONENT SCALING AND DISCONTINUOUS TRANSITION [J].
RIEGER, H .
PHYSICAL REVIEW B, 1995, 52 (09) :6659-6667
[5]   Equilibrium random-field Ising critical scattering in the antiferromagnet Fe0.93Zn0.07F2 [J].
Slanic, Z ;
Belanger, DP ;
Fernandez-Baca, JA .
PHYSICAL REVIEW LETTERS, 1999, 82 (02) :426-429
[6]   The random-field specific heat critical behavior at high magnetic concentration:: Fe0.93Zn0.07F2 [J].
Slanic, Z ;
Belanger, DP .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998, 186 (1-2) :65-73