A VARIATIONAL APPROACH TO QUANTUM-FIELD THEORY

被引：33

作者：

VERSCHELDE, H

COPPENS, M

机构：

[1] Laboratorium voor Wiskundige en Computationele Fysica, Rijksuniversiteit Gent, B-9000 Ghent, Krijgslaan 281

来源：

PHYSICS LETTERS B | 1992年 / 287卷 / 1-3期

关键词：

D O I：

10.1016/0370-2693(92)91888-G

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a variational approach to lambda-phi-4 that goes beyond the gaussian effective potential. It is based on a 2PPI loop expansion of an effective action for local composite operators.

引用

页码：133 / 137

页数：5

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