Fast electroweak symmetry breaking and cold electroweak baryogenesis

被引：14

作者：

Enqvist, Kari ^{[1
,2
]}

Stephens, Philip ^{[3
]}

Taanila, Olli ^{[2
]}

Tranberg, Anders ^{[2
,4
]}

机构：

[1] Univ Helsinki, Dept Phys, FI-00014 Helsinki, Finland

[2] Univ Helsinki, Helsinki Inst Phys, FI-00014 Helsinki, Finland

[3] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

[4] Univ Oulu, Dept Phys Sci, FI-90014 Oulu, Finland

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2010年 / 09期

基金：

芬兰科学院;

关键词：

baryon asymmetry; cosmological phase transitions; physics of the early universe; cosmology of theories beyond the SM; LOW-SCALE INFLATION;

D O I：

10.1088/1475-7516/2010/09/019

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We construct a model for delayed electroweak symmetry breaking that takes place in a cold Universe with T << 100GeV and which proceeds by a fast quench rather than by a conventional, slow, phase transition. This is achieved by coupling the Standard Model Higgs to an additional scalar field. We show that the quench transition can be made fast enough for successful Cold Electroweak Baryogenesis, while leaving known electroweak physics unchanged.

引用

页数：13

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