The magnetic properties of three-dimensional spin-1 easy-axis single-ion anisotropic antiferromagnets

Hu AY; Wang Q

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The magnetic properties of three-dimensional spin-1 easy-axis single-ion anisotropic antiferromagnets

机译：The magnetic properties of three-dimensional spin-1 easy-axis single-ion anisotropic antiferromagnets

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摘要

The ordered and disordered phases of spin-1 Heisenberg and Ising antiferromagnets with easy-axis single-ion anisotropy on a three-dimensional lattice are studied. By using of the double-time Green's function method within the Tyablikov decoupling for the exchange anisotropy and Callen's approximation for the single-ion anisotropy, the Neel temperature, magnetization and susceptibility are investigated. Their relations with the temperature and anisotropic parameter are analyzed over the entire range of temperature. It is found that our results agree well with spin wave theory results at low temperature, agree with the high temperature series results at high temperature, and compare reasonably well with the linked-cluster series approach and ratio method results at intermediate temperature.

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来源
《Solid State Communications》 |2010年第14期|568-571|共4页
作者
Hu AY; Wang Q;
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作者单位

Department of Physics, Shanghai Jiao Tong University, 200240 Shanghai, PR China;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
A. Quantized spin models; Antiferromagnetics; Spin waves; Magnetization anisotropy;

The magnetic properties of three-dimensional spin-1 easy-axis single-ion anisotropic antiferromagnets

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