THEORY OF HALDANE-GAP ANTIFERROMAGNETS IN APPLIED FIELDS

被引：177
|
作者：
AFFLECK, I
机构：
[1] UNIV BRITISH COLUMBIA,CANADIAN INST ADV RES,VANCOUVER V6T 2A6,BC,CANADA
[2] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER V6T 2A6,BC,CANADA
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.41.6697
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
As first predicted by Haldane, and later observed in neutron-scattering experiments, one-dimensional Heisenberg antiferromagnets of integer spin have an excitation gap. Recently, the highly one-dimensional antiferromagnet Ni(C2H8N2)2NO2(ClO4) has been studied in an applied magnetic field. We discuss the susceptibility, high-field magnetization, and field-dependent neutron scattering using general arguments and field-theory methods. © 1990 The American Physical Society.
引用
收藏
页码：6697 / 6702
页数：6
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