High Order Variational-Cumulant Expansion for the 2- and
3-Dimensional Ising Model
LIU Ruijie, CHEN Tianlun
Department of Physics, Nankai University, Tianjin 300071
High Order Variational-Cumulant Expansion for the 2- and
3-Dimensional Ising Model
LIU Ruijie;CHEN Tianlun
Department of Physics, Nankai University, Tianjin 300071
关键词 ：
05.50.+q ,
65.70.+Y ,
75.10.Hk
Abstract ： The variational-cumulant expansion method is applied to the 2- and 3-dimensional Ising model on the simple quadratic and cubic lattice. The model is evaluated to the seventh order. The critical temperature is given, and curves of the internal energy and specific heat are displayed for 3-dimensional case.
Key words ：
05.50.+q
65.70.+Y
75.10.Hk
出版日期: 1994-04-01
引用本文:
LIU Ruijie;CHEN Tianlun. High Order Variational-Cumulant Expansion for the 2- and
3-Dimensional Ising Model
[J]. 中国物理快报, 1994, 11(4): 197-199.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1994/V11/I4/197
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