Julia sets and complex singularities in diamond-like hierarchical Potts models

被引:21
|
作者
Qiao, JY [1 ]
机构
[1] China Univ Min & Technol, Ctr Math, Beijing 100083, Peoples R China
来源
SCIENCE IN CHINA SERIES A-MATHEMATICS | 2005年 / 48卷 / 03期
关键词
Julia set; phase transition; iteration; rational mapping;
D O I
10.1360/04ys0180
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We study the phase transition of the Potts model on diamond-like hierarchical lattices. It is shown that the set of the complex singularities is the Julia set of a rational mapping. An interesting problem is how are these singularities continued to the complex plane. In this paper, by the method of complex dynamics, we give a complete description about the connectivity of the set of the complex singularities.
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页码:388 / 412
页数:25
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