NONLINEAR MAGNETIZATION OF THE ONE-DIMENSIONAL S = 1 ANTIFERROMAGNET

被引：7
|
作者：
NOMURA, K [1 ]
SAKAI, T [1 ]
机构：
[1] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 106, JAPAN
来源：
PHYSICAL REVIEW B | 1991年 / 44卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.44.5092
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is known that the one-dimensional S = 1 antiferromagnet has an energy gap and therefore has no magnetization up to a finite field H(c). We find that the magnetization appears nonlinearly above H(c). So the field derivative dm/dH diverges at H(c). This explains the cusp in dm/dH observed experimentally in the quasi-one-dimensional S = 1 material Ni(C2H8N2)2NO2ClO4.
引用
收藏
页码：5092 / 5094
页数：3
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