SELF-AVOIDING RINGS AT THE THETA-POINT

被引：24
|
作者：
MAES, D
VANDERZANDE, C
机构：
[1] Department Wiskunde, Natuurkunde, Informatica, and Fysiologie, Limburgs Universitair Centrum, Universitaire Campus
来源：
PHYSICAL REVIEW A | 1990年 / 41卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.41.3074
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We determine exactly the numbers C(N,m) of self-avoiding rings of N steps and m nearest-neighbor pairs, for N up to 28, on the square lattice, as well as the average squared radius of gyration for such rings. From these data we locate the point and determine its exponents as =0.58 0.01, =0.90 0.02. We also calculate a universal quantity for the rings, which was recently determined for the point. Our results are inconsistent with the and points being in the same universality class. © 1990 The American Physical Society.
引用
收藏
页码：3074 / 3080
页数：7
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