大学物理 ›› 2009, Vol. 28 ›› Issue (5): 14-14.

• 著者文摘 • 上一篇    下一篇

采用正方元胞的Ising模型实空间重正化群解

吴大艳 丁成祥   

  1. 安徽工业大学数理学院,安徽马鞍山243002
  • 出版日期:2009-05-20 发布日期:2009-05-20

Renormalization group solution for the Ising model using square block spin

  • Online:2009-05-20 Published:2009-05-20

摘要: 在二维正方形晶格上,将元胞取为4格点正方形,采用3种不同的规则定义块自旋状态,进行了重正化群计算,得出了更为精确的结果;解决了元胞内格点数为偶数的重正化群计算问题.

关键词: 相变, 临界点, 临界指数, Ising模型, 重正化群

Abstract: Renormalization group calculation is performed on the square lattice by choosing a square as block spin, the spin state is defined through three rules. The result is much more accurate. The problem of performing renormalization calculation with block spin that has even spin in it is resolved.

Key words: phase transition, critical point, critical exponent, Ising model, renormalization group

中图分类号: 

  • O414.2