National Tsing Hua University Institutional Repository:High Temperature Susceptibility Series for the Spin-l/2 Anisotropic Heisenberg Model
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    National Tsing Hua University Institutional Repository > 歷任校長 > 陳信雄 (1997-1998) > 期刊論文 >  High Temperature Susceptibility Series for the Spin-l/2 Anisotropic Heisenberg Model


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    题名: High Temperature Susceptibility Series for the Spin-l/2 Anisotropic Heisenberg Model
    作者: D.C. Jou;H.H. Chen
    教師: 陳信雄
    日期: 1973
    出版者: Institute of Physics
    關聯: JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, Institute of Physics, Volume 6, Issue 17, 1973, Pages 2713-2720
    关键词: Spin-l/2
    Anisotropic Heisenberg Model
    摘要: The exact high temperature susceptibility series for the spin-1/2 uniaxially anisotropic Heisenberg model is derived through order T-7 for various lattices and anisotropies. The series is extrapolated by the Pade approximant method to give the critical parameters for a ferromagnet having spontaneous magnetization parallel to the symmetry axis of the system. When the anisotropy changes from the Ising limit to the isotropic Heisenberg limit the critical temperature of the system decreases, slowly in the Ising limit and rapidly in the isotropic limit. Our results are consistent with the hypothesis that the critical index remains constant as the anisotropy varies from the Ising limit toward the isotropic limit, and changes discontinuously when the system becomes isotropic.
    相関连結: http://www.iop.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80714
    显示于类别:[陳信雄 (1997-1998)] 期刊論文
    [物理系] 期刊論文

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