Monte Carlo study of a spin-1 ANNNI model with single-ion anisotropy

被引：1

作者：

Alves, N ^{[1
]}

Yokoi, CSO ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, SP, Brazil

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2003年 / 256卷 / 1-3期

关键词：

classical spin models; phase transitions; Monte Carlo simulation; magnetic structure-modulated; partially disordered phases;

D O I：

10.1016/S0304-8853(02)00442-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A three-dimensional spin-1 axial next-nearest-neighbor Ising model with single-ion anisotropy is studied using Monte Carlo simulations. The analysis of the thermal effect on the commensurate period six phase shows that it undergoes an internal transition from a low-temperature phase with zero magnetization layers (partially disordered phase) to a high-temperature phase with different symmetry. Results are in good qualitative agreement with previous mean-field studies. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：145 / 150

页数：6

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