Finite Size Scaling and "perfect" actions:: the three dimensional Ising model

被引：36

作者：

Ballesteros, HG ^{[1
]}

Fernández, LA ^{[1
]}

Martin-Mayor, V ^{[1
]}

Sudupe, AM ^{[1
]}

机构：

[1] Univ Complutense Madrid, Fac Ciencias Fis, Dept Fis Teor 1, E-28040 Madrid, Spain

来源：

PHYSICS LETTERS B | 1998年 / 441卷 / 1-4期

关键词：

lattice; Monte Carlo; perfect actions; critical exponents; finite-size scaling;

D O I：

10.1016/S0370-2693(98)01100-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using Finite-Size Scaling techniques, we numerically show that the first irrelevant operator of the lattice lambda phi(4) theory in three dimensions is (within errors) completely decoupled at lambda = 1.0. This interesting result also holds in the Thermodynamical Limit, where the renormalized coupling constant shows an extraordinary reduction of the scaling-corrections when compared with the Ising model. It is argued that Finite-Size Scaling analysis can be a competitive method for finding improved actions. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：330 / 338

页数：9

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