INCOMMENSURATE PHASES OF QUANTUM ONE-DIMENSIONAL MAGNETICS

被引：54
|
作者：
TSVELIK, AM
机构：
[1] Department of Physics, University of Florida, Gainesville
来源：
PHYSICAL REVIEW B | 1990年 / 42卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.42.779
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Simple examples of lattice models of integrable quantum magnetics with competing interactions are studied. In the definite range of exchange integrals, these models exhibit a magnetic ordering incommensurate with a lattice. We prove that the incommensurability is closely related with the phenomenon of level crossing. Some universal features of the incommensurate phases are described. © 1990 The American Physical Society.
引用
收藏
页码：779 / 785
页数：7
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