CONFINEMENT IN 3 DIMENSIONS AND THE ELECTROWEAK PHASE-TRANSITION

被引：11

作者：

BUCHMULLER, W

FODOR, Z

机构：

[1] Deutsches Elektronen-Synchrotron DESY

来源：

PHYSICS LETTERS B | 1994年 / 331卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)90952-0

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The infrared behaviour of the standard model at finite temperature is determined by the confining phase of the SU(2)-Higgs model in three dimensions. Due to the Landau singularity of the three-dimensional gauge theory the perturbative treatment of the electroweak phase transition breaks down for Higgs masses above a critical mass m(H)c. Based on a renormalization group improved effective potential we find m(H)c approximately 70 GeV. The scalar self-coupling has a Landau-type singularity also in the abelian U(1)-Higgs model, which leads to a breakdown of perturbation theory in the symmetric phase.

引用

页码：124 / 130

页数：7

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