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    National Tsing Hua University Institutional Repository > 歷任校長 > 陳信雄 (1997-1998) > 期刊論文 >  A Spin System with Coupled Ising and Heisenberg Interactions

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80734

    Title: A Spin System with Coupled Ising and Heisenberg Interactions
    Authors: W.H. Huang;H.H. Chen
    教師: 陳信雄
    Date: 1986
    Publisher: The Physical Society of Republic of China
    Relation: Chinese Journal of Physics, The Physical Society of Republic of China, Volume 24, Issue 2, 1986, Pages 81-96
    Keywords: Heisenberg Interactions
    Spin System
    Abstract: Thermal properties are studied for a spin system described by a Hamiltonian which contains an Ising term, a Heisenberg term and a coupled Ising and Heisenberg interaction term. This system has three order parameters. By using the mean-field approximation, thermal variations of the order parameters are studied for positive values of the interaction constants. Landau theory is applied to determined the critical temperatures. Phase boundaries of the system are given. It is also shown that the mean-field theory is exact when the range of interaction is infmite.
    Relation Link: http://psroc.phys.ntu.edu.tw/cjp/download.php?type=full&vol=24&num=2&page=81
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80734
    Appears in Collections:[陳信雄 (1997-1998)] 期刊論文
    [物理系] 期刊論文

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