RENORMALIZATION GROUP RECURSIONS BY VARIATIONAL CUMULANT EXPANSION APPROXIMATION  

作　　者：朱正坤[1] 

机构地区：[1]Physics department

出　　处：《苏州大学学报（自然科学版）》1990年第2期209-211,共3页Journal of Soochow University(Natural Science Edition)

摘　　要：Renormalization group recursions are obtained by virtue of the variational cumulant expansion method. Good qualitative estimates are obtained for the d=2 square Ising system.Renormalization group recursions are obtained by virtue of the variational cumulant expansion method. Good qualitative estimates are obtained for the d=2 square Ising system.

关 键 词：重正化群 递归公式 累积展开法 ISING系统 

分 类 号：O152[理学—数学]