New aspects of magnetic properties in a transverse Ising thin film

被引：16

作者：

Kaneyoshi, T ^{[1
]}

机构：

[1] Nagoya Univ, Sch Informat & Sci, Dept Nat Sci Informat, Nagoya, Aichi 4648601, Japan

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2003年 / 328卷 / 1-2期

关键词：

transverse Ising model; phase diagram; ferroelectric thin film;

D O I：

10.1016/S0378-4371(03)00543-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic properties of a transverse Ising thin film are investigated by the use of the two theoretical frameworks, namely the standard mean-field theory and the effective field theory better than the mean-field theory. Some new aspects of the magnetic properties have been clarified firstly by including the modification of both surface exchange interaction and surface transverse field. The phase diagram, magnetization and initial susceptibility of a thin film can exhibit many characteristic behaviors, depending on the ratio between the surface transverse field and the bulk one. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：174 / 184

页数：11

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