Magnetic screening in the high temperature phase of the standard model

被引：50

作者：

Buchmuller, W ^{[1
]}

Philipsen, O ^{[1
]}

机构：

[1] UNIV HEIDELBERG, INST THEORET PHYS, D-69120 HEIDELBERG, GERMANY

来源：

PHYSICS LETTERS B | 1997年 / 397卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(97)00074-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Non-perturbative effects in the high-temperature phase of the electroweak theory are characterized by a magnetic screening length, Its size influences the range of validity of perturbation theory, and it also determines the critical Higgs boson mass where the first-order phase transition changes to a crossover. We propose a gauge-invariant definition of the magnetic screening length and discuss its role in several gauge-dependent and gauge-invariant correlation functions. (C) 1997 Elsevier Science B.V.

引用

页码：112 / 118

页数：7

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