Magnetization plateau in an S=3/2 antiferromagnetic Heisenberg chain with anisotropy

被引：76

作者：

Sakai, T ^{[1
]}

Takahashi, M

机构：

[1] Himeji Inst Technol, Fac Sci, Kamigori, Hyogo 67812, Japan

[2] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 106, Japan

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 06期

关键词：

D O I：

10.1103/PhysRevB.57.R3201

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetization process of the S=3/2 antiferromagnetic Heisenberg chain with single-ion anisotropy D at T=0 is investigated by the exact diagonalization of finite clusters and finite-size scaling analyses. It is found that a magnetization plateau appears at m=1/2 for D>D-c=0.93+/-0.01. The phase transition with respect to D at D, is revealed to be of the Kosterlitz-Thouless type. The magnetization curve of the infinite system is also presented for some values of D.

引用

页码：R3201 / R3204

页数：4

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