BETA-FUNCTION FOR THE PHI(4)-MODEL IN VARIATIONAL PERTURBATION-THEORY

被引：50

作者：

SISSAKIAN, AN

SOLOVTSOV, IL

SOLOVTSOVA, OP

机构：

[1] Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Head Post Office, Moscow, 101000

来源：

PHYSICS LETTERS B | 1994年 / 321卷 / 04期

关键词：

D O I：

10.1016/0370-2693(94)90262-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the renormalization procedure for the phi(4)-model in the variational perturbation theory. The nonperturbative beta-function is derived in the framework of the proposed approach. The obtained result is in agreement with the four-loop approximation and has an asymptotic behaviour as g(3/2) for a large coupling constant.

引用

页码：381 / 384

页数：4

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