CANONICAL DEMON MONTE-CARLO RENORMALIZATION-GROUP

被引：2
|
作者：
HASENBUSCH, M [1 ]
PINN, K [1 ]
WIECZERKOWSKI, C [1 ]
机构：
[1] INST THEORET PHYS 1,D-48149 MUNSTER,GERMANY
来源：
NUCLEAR PHYSICS B | 1995年
关键词：
D O I：
10.1016/0920-5632(95)00388-P
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We describe a method to compute renormalized coupling constants in a Monte Carlo renormalization group calculation. It can be used, e.g., for lattice spin or gauge models. The basic idea is to simulate a joint system of block spins and canonical demons. Unlike the Microcanonical Renormalization Group of Creutz et al. it avoids systematical errors in small volumes. We present numerical results for the O(3) nonlinear sigma-model.
引用
收藏
页码：808 / 810
页数：3
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