QUASI-2-DIMENSIONAL HOLE PAIRING IN THE 3-DIMENSIONAL T-J MODEL

被引：3

作者：

SAKAKIBARA, K ^{[1
]}

ICHINOSE, I ^{[1
]}

MATSUI, T ^{[1
]}

机构：

[1] KANAZAWA UNIV,DEPT PHYS,KANAZAWA 92011,JAPAN

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.46.14779

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The superconducting phase transition in the three-dimensional t-J model is studied by a mean-field theory of hole pairs. The local constraint of the slave-fermion formalism is solved by introducing CP1 variables for spins. In the interesting parameter region, a "dimension-quenching" mechanism operates, i.e., the hole-pair order parameters of superconductivity on links develop only within each two-dimensional layer. This leads to almost the same critical temperature as in the two-dimensional model.

引用

页码：14779 / 14784

页数：6

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