Phase diagram of S=1/2 XXZ chain with next-nearest-neighbor interaction

被引：29

作者：

Hirata, S ^{[1
]}

Nomura, K ^{[1
]}

机构：

[1] Kyushu Univ, Dept Phys, Fukuoka 8128581, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.61.9453

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ground-state properties of the one-dimensional XXZ model with next-nearest-neighbor coupling alpha and anisotropy Delta is studied. A direct transition between the ferromagnetic phase and the spontaneously dimerized phase is found. The effect of bond alternation which arises in realistic systems due to lattice distortion is discussed also. The results suggest that transitions between the ferromagnetic and spin-Peierls phases occur.

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页码：9453 / 9456

页数：4

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