QUANTUM-THEORY OF AN ANTIFERROMAGNET ON A TRIANGULAR LATTICE IN A MAGNETIC-FIELD

被引:313
作者
CHUBUKOV, AV
GOLOSOV, DI
机构
[1] Inst. for Phys. Problems, Acad. of Sci., Moscow
关键词
D O I
10.1088/0953-8984/3/1/005
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The reorientation process in a magnetic field in two-dimensional isotropic and XY quantum Heisenberg antiferromagnets is shown to occur through the intermediate phase with unbroken continuous symmetry and constant magnetization equal to one third of the saturation value. The same reorientation process is also found in the more complicated classical models.
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页码:69 / 82
页数:14
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