Effects of the Biquadratic Exchange Interaction in Linear Chain Antiferromagnet
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概要
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The effects of the biquabratic exchange interaction on the temperature dependence of the magnetic specific heat and sublattice magnetization have been calculated with the use of the spin wave theory for linear chain antiferromagnet. The antiferromagnetic spin structure changes abruptly and begings to make a cant at a certain ratio P_c of the biquadratic exchange interaction to the Heisenberg one, which is reasonably small enough to appear in the real antiferromagnet with large spin. This change of the spin structure is shown to give significant effects on the magnetic properties.
- 社団法人日本物理学会の論文
- 1976-05-15
著者
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URYU Norikiyo
Department of Applied Science, Faculty of Engineering, Kyushu University
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Iwashita Takeshi
Nagasaki Prefectural Women's Junior College
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Uryu Norikiyo
Department Of Applied Science Faculty Of Engineering 36 Kyushu University
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