Self-Consistent Spin-Wave Analysis of the 1/3 Magnetization Plateau in the Kagome Antiferromagnet

被引：2

作者：

Wei, Zhong-Chao ^{[1
]}

Liao, Hai-Jun ^{[1
]}

Chen, Jing ^{[1
]}

Xie, Hai-Dong ^{[1
]}

Liu, Zhi-Yuan ^{[1
]}

Xie, Zhi-Yuan ^{[2
]}

Li, Wei ^{[3
,4
]}

Normand, B. ^{[2
]}

Xiang, Tao ^{[1
,5
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[2] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China

[3] Beihang Univ, Dept Phys, Key Lab Micronano Measurement Manipulat & Phys, Minist Educ, Beijing 100191, Peoples R China

[4] Beihang Univ, Int Res Inst Multidisciplinary Sci, Beijing 100191, Peoples R China

[5] Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2016年 / 33卷 / 07期

基金：

中国国家自然科学基金;

关键词：

HEISENBERG-ANTIFERROMAGNET; FRUSTRATED MAGNETS; LATTICE; LIQUIDS;

D O I：

10.1088/0256-307X/33/7/077503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a modified spin-wave theory to study the 1/3 magnetization plateau of the antiferromagnetic Heisenberg model on the kagome lattice. By the self-consistent inclusion of quantum corrections, the 1/3 plateau is stabilized over a broad range of magnetic fields for all spin quantum numbers S. The values of the critical magnetic fields and the widths of the magnetization plateaus are fully consistent with the recent numerical results from exact diagonalization and infinite projected entangled paired states.

引用

页数：5

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