UNIVERSAL EFFECTIVE POTENTIAL FOR SCALAR FIELD-THEORY IN 3 DIMENSIONS BY MONTE-CARLO COMPUTATION

被引：92
|
作者：
TSYPIN, MM [1 ]
机构：
[1] PN LEBEDEV PHYS INST,DEPT THEORET PHYS,MOSCOW 117924,RUSSIA
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.73.2015
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the low-energy effective action for the theory of a one-component real scalar field in three Euclidean dimensions (3D), in the symmetric phase, concentrating on its static part-effective potential V-eff(phi) We compute it from the probability distributions of the average magnetization in the 3D Ising model in an external field, obtained by Monte Carlo computation. We find that the phi(6) term in V-eff is important in 3D, and compute the values of the universal four-point and six-point couplings.
引用
收藏
页码：2015 / 2018
页数：4
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