ACCURATE DETERMINATION OF THE CRITICAL LINE OF THE SQUARE ISING ANTIFERROMAGNET IN A FIELD

被引：36

作者：

BLOTE, HWJ ^{[1
]}

WU, XN ^{[1
]}

机构：

[1] NORTHEASTERN UNIV,DEPT PHYS,BOSTON,MA 02115

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1990年 / 23卷 / 12期

关键词：

D O I：

10.1088/0305-4470/23/12/008

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Several points on the critical line of the simple quadratic antiferromagnetic Ising model in a field are located with high precision. This is accomplished by means of finite-size scaling of the magnetic correlation length of n* infinity strips. The latter quantities were determined by means of the transfer matrix method for strip widths up to n=20. An expression, possibly with the exact form, is constructed which reproduces the critical line with an accuracy to the order of 10-10.

引用

页码：L627 / L631

页数：5

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