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
收藏
页码：566 / 568
页数：3
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