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Partial path integration of quantum fields: Two-loop analysis of the SU(2) gauge Higgs model at finite temperature

被引：18
作者：
Jakovac, A
Patkos, A
机构：
[1] Department of Atomic Physics, Eötvös University, Budapest
来源：
NUCLEAR PHYSICS B | 1997年 / 494卷 / 1-2期
关键词：
high temperature reduction; non-locality; non-polynomial terms;
D O I：
10.1016/S0550-3213(97)00159-4
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
High temperature reduction of the SU(2) Higgs model is realised by partially integrating its partition function. Various approximate forms of the effective theory resulting from the integration over non-static fields and the static electric potential are analysed. Also non-polynomial and non-local terms are allowed. Consistency of the perturbative solution is ensured by new types of induced counterterms. Perturbative phase transition characteristics are presented in the Higgs mass range 30-120 GeV. and compared to results of other perturbative approaches. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：54 / 88
页数：35
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