PHASE-SEPARATION IN THE SLAVE-FERMION MEAN-FIELD THEORY OF THE T-J MODEL

被引:10
作者
IVANOV, TI
机构
[1] Centre for Space Research and Technologies, University of Sofia
来源
PHYSICAL REVIEW B | 1991年 / 44卷 / 21期
关键词
D O I
10.1103/PhysRevB.44.12077
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The stability of the spiral phase is studied in the context of the slave-fermion mean-field theory of the t-J model. For J/t small enough the spiral phase is unstable against phase separation. For larger values of J/t there exists a critical concentration of holes below which this phase is stable, while for larger doping a phase separation occurs. The phase diagram of the t-J model is presented and discussed.
引用
收藏
页码:12077 / 12079
页数:3
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