Critical exponents of the two-dimensional Ising model with next-nearest-neighbor and four-spin interactions on the Creutz cellular automaton

被引:24
|
作者
Kutlu, B
机构
[1] Gazi Üniversitesi, Fen-Edebiyat Fakültesi, Fizik Bölümü, Teknikokullar
来源
PHYSICA A | 1997年 / 243卷 / 1-2期
关键词
D O I
10.1016/S0378-4371(97)00255-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The two-dimensional Ising model with nearest-neighbor, next-nearest-neighbor and four-spin interactions is simulated on the Creutz cellular automaton. For J'less than or equal to 0 the values of critical exponents in the antiferromagnetic interaction region are estimated within the framework of the finite-size scaling theory. The calculated exponents for interaction ratios R=1/20 and J'less than or equal to 0 are in a good agreement with their theoretical values of alpha=0, beta=1/8, gamma=7/4, eta=1/4 and nu=1 for the Ising model.
引用
收藏
页码:199 / 212
页数:14
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