Non-perturbative evaluation of the effective potential of λφ4 theory at finite temperature in the super-daisy approximation

被引：11

作者：

Arafune, J ^{[1
]}

Ogure, K

Sato, J

机构：

[1] Univ Tokyo, Inst Cosm Ray Res, Tanashi, Tokyo 188, Japan

[2] Univ Tokyo, Sch Sci, Dept Phys, Tokyo 113, Japan

来源：

PROGRESS OF THEORETICAL PHYSICS | 1998年 / 99卷 / 01期

关键词：

D O I：

10.1143/PTP.99.119

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We calculate the effective potential of lambda phi(4) theory at finite temperature in the super-daisy approximation, after expressing its derivative with respect to the mass square in terms of the full propagator. This expression becomes a self-consistent equation for the derivative of the effective potential. We find the phase transition is first order in this approximation. We compare our result with those of previous studies.

引用

页码：119 / 127

页数：9

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