Transition temperature of three-dimensional quantum Heisenberg ferro- and antiferromagnets

被引：2

作者：

Cuccoli, A

Maciocco, R

Vaia, R

机构：

[1] CNR, Ist Elettron Quantist, I-50127 Florence, Italy

[2] Univ Florence, Dipartimento Fis, I-50125 Florence, Italy

[3] Univ Florence, INFM, I-50125 Florence, Italy

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 226卷

关键词：

magnetic transitions; three-dimensional magnets; quantum antiferromagnetism; quantum fluctuations;

D O I：

10.1016/S0304-8853(00)00682-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The transition temperature between the ordered and the paramagnetic phase of 3D quantum Heisenberg ferro- and antiferromagnets is theoretically predicted with very good accuracy for any spin value, starting from its known counterpart for the classical system. The really straightforward evaluation is made possible by a method that reduces the quantum problem to an effective classical Hamiltonian. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：566 / 568

页数：3

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