| UnionJack晶格上混合自旋模型临界温度与自旋耦合作用的关系 |
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| 引用本文： | 刘策军.UnionJack晶格上混合自旋模型临界温度与自旋耦合作用的关系[J].华南师范大学学报(自然科学版),1995,0(2):1-80. |
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| 作者姓名： | 刘策军 |
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| 作者单位： | 华南农业大学基础部 |
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| 摘 要： | 本文研究了ｕｎｉｏｎ ｊａｃｋ晶格上各向同性的混合自旋模型临界温度与旋耦合作用的关系，文中分别采用平均场近似和自由费密近似两种方法求解。在耦合常数简化为正方晶格上的混合自旋模型时，得到与其它解符合较好的临界温度。
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| 关 键 词： | 晶格 混合自旋模型 临界温度 自旋耦合作用 |
THE RELATION BETWEEN CRITICAL TEMPERATURE AND THE COUPLING CONSTANTS FOR UNION JACK LATTICE MIXED-SPIN MODEL |
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| Liu Cejun.THE RELATION BETWEEN CRITICAL TEMPERATURE AND THE COUPLING CONSTANTS FOR UNION JACK LATTICE MIXED-SPIN MODEL[J].Journal of South China Normal University(Natural Science Edition),1995,0(2):1-80. |
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| Authors: | Liu Cejun |
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| Abstract: | In this paper a mixed-spin model on the union jack lattice with isotropic coupling interactionsand the function between critical temperature and the coupling constants are considered,Themean field and free fermion approximations are applied to this medel.When the couplingconstants are simplified as mixed-spin model in a square lattice, in good agreement with otherapproaches, the solution is obtained. |
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| Keywords: | union jack lattice mixed-spin model critical temperature coupling constants mean field approximation free fermion approximation |
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