Heat transport in low-dimensional Heisenberg antiferromagnets

被引：3

作者：

Lima, L. S. ^{[1
]}

Pires, A. S. T. ^{[2
]}

机构：

[1] Univ Kaiserslautern, Dept Phys, D-67663 Kaiserslautern, Germany

[2] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 15期

关键词：

Magnetically ordered material; Heat transport;

D O I：

10.1016/j.jmmm.2010.02.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper we study thermal transport in the one-dimensional spin S=1 and the two dimensional spin S=1/2 Heisenberg antiferromagnets, using the modified spin wave theory and the Kubo linear response formalism, to calculate the thermal conductivity. The low-temperature thermal Drude weights, in both cases, are non-zero at finite temperature indicating a ballistic behavior. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2157 / 2159

页数：3

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