The sublattice magnetizations of the spin-s quantum Heisenberg antiferromagnets

被引：2
|
作者：
Liu, BG [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
来源：
PHYSICS LETTERS A | 1999年 / 259卷 / 3-4期
关键词：
quantum spin; magnon; and spin wave;
D O I：
10.1016/S0375-9601(99)00436-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the spin-s quantum Heisenberg antiferromagnetic models in a magnon theory free of any unphysical magnon state. Because the unphysical magnon states are completely removed in the magnon Hamiltonians and during the approximation process, we derive spin-s reliable Neel temperature T-N and reasonable sublattice magnetization unified for 0 less than or equal to T less than or equal to T-N. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：308 / 313
页数：6
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