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    National Tsing Hua University Institutional Repository > 歷任校長 > 陳信雄 (1997-1998) > 期刊論文 >  Preservation of the Free Energy in a Migdal-Kadanoff Approximation for the Spin-l/2 Anisotropic Heisenberg Model


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80738


    Title: Preservation of the Free Energy in a Migdal-Kadanoff Approximation for the Spin-l/2 Anisotropic Heisenberg Model
    Authors: F. Lee;H.H. Chen;H.C. Tseng
    教師: 陳信雄
    Date: 1988
    Publisher: American Physical Society
    Relation: PHYSICAL REVIEW B, American Physical Society, Volume 37, Issue 10, Part Part a, APR 1 1988, Pages 5371-5374
    Keywords: Migdal-Kadanoff
    Spin-l/2
    Anisotropic Heisenberg Model
    Abstract: A modification of the Migdal-Kadanoff approximation is applied to study the spin-(1/2 anisotropic Heisenberg model. The approximate decimation introduced by Suzuki and Takano, and the method of preserving the free energy developed by Walker are adopted. Fixed points and critical lines are determined for cubic lattices. The dependence of fixed points on the number of terms used in the series expansion of the free energy is analyzed and discussed.
    Relation Link: http://www.aps.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/80738
    Appears in Collections:[陳信雄 (1997-1998)] 期刊論文
    [物理系] 期刊論文

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