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

页码：5092 / 5094

页数：3

共 22 条

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