HOLE DROPS VERSUS THE SPIRAL STATE IN THE T-J MODEL

被引：3
|
作者：
ALISTRATOV, AL
DIMASHKO, YA
PODOLSKY, VS
机构：
来源：
PHYSICS LETTERS A | 1992年 / 167卷 / 02期
关键词：
D O I：
10.1016/0375-9601(92)90230-J
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The spin spiral state in the t-J model is obtained in the Hartree-Fock approximation. It is proved to be unstable against spatial hole condensation into a ferromagnetic hole drop on the antiferromagnetic hole-less background. When J>4t the hole drop is shown to be the electron vacuum. The influence of the surface tension and Coulomb repulsion on the drop is discussed,
引用
收藏
页码：209 / 214
页数：6
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