THE MAGNETIC-PHASE DIAGRAM OF THE HUBBARD-MODEL USING SLAVE-BOSON METHODS

被引：9

作者：

EVANS, SMM

机构：

来源：

EUROPHYSICS LETTERS | 1992年 / 20卷 / 01期

关键词：

D O I：

10.1209/0295-5075/20/1/010

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper we calculate the regions of stability of the ferromagnetic and antiferromagnetic phases in the Hubbard model using the Kotliar-Ruckenstein slave-boson mean-field theory. The results for strong ferromagnetism in a 2d square lattice are seen to be in reasonable agreement with exact results.

引用

页码：53 / 57

页数：5

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