STATE COUNTING AND LOW-TEMPERATURE SERIES

被引:38
作者
CREUTZ, M
机构
[1] Department of Physics, Brookhaven National Laboratory, Upton
来源
PHYSICAL REVIEW B | 1991年 / 43卷 / 13期
关键词
D O I
10.1103/PhysRevB.43.10659
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
I present a simple numerical technique for evaluating the low-temperature expansion for discrete statistical systems. I begin with a recursive procedure on finite lattices to count the states of a given energy. Comparing these numbers on different lattice sizes, I extract coefficients for the infinite-volume series. I test the method with the three-dimensional Ising model, obtaining the expansion of the average energy through terms involving 34 excited bonds.
引用
收藏
页码:10659 / 10662
页数:4
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