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

页码：308 / 313

页数：6

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