Effect of magnetoelastic interactions on the phase transition of two-dimensional Ising spin system

被引：9

作者：

Massimino, P ^{[1
]}

Diep, HT ^{[1
]}

机构：

[1] Univ Cergy Pontoise, Lab Phys Theor & Modelisat, F-95031 Cergy Pontoise, France

来源：

JOURNAL OF APPLIED PHYSICS | 2000年 / 87卷 / 09期

关键词：

D O I：

10.1063/1.372925

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using Monte Carlo simulations, we study a two-dimensional (2D) system of particles interacting with each other through short-range cohesive and magnetic interactions, using the Lennard-Jones potential. The spin on each particle is of Ising type. Results obtained depend on the ratio Q between the cohesive and magnetic interaction strengths. For strong cohesive interaction, with Q > 1.55, the magnetic phase transition remains that of the 2D Ising universality class. For 1 < Q < 1.55, the phase transition becomes first order. (C) 2000 American Institute of Physics. [S0021-8979(00)94708-X].

引用

页码：7043 / 7045

页数：3

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