ITP OpenIR  > SCI期刊论文
Chao, W; Guo, HK; Shu, J; Chao, W (reprint author), Beijing Normal Univ, Dept Phys, Ctr Adv Quantum Studies, Beijing 100875, Peoples R China.
Gravitational wave signals of electroweak phase transition triggered by dark matter
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordParticle Physics - Cosmology Connection Cosmological Phase Transitions Dark Matter Theory Gravitational Waves / Theory
Abstract

We study in this work a scenario that the universe undergoes a two step phase transition with the first step happened to the dark matter sector and the second step being the transition between the dark matter and the electroweak vacuums, where the barrier between the two vacuums, that is necessary for a strongly first order electroweak phase transition (EWPT) as required by the electroweak baryogenesis mechanism, arises at the tree-level. We illustrate this idea by working with the standard model (SM) augmented by a scalar singlet dark matter and an extra scalar singlet which mixes with the SM Higgs boson. We study the conditions for such pattern of phase transition to occur and especially for the strongly first order EWPT to take place, as well as its compatibility with the basic requirements of a successful dark matter, such as observed relic density and constraints of direct detections. We further explore the discovery possibility of this pattern EWPT by searching for the gravitational waves generated during this process in spaced based interferometer, by showing a representative benchmark point of the parameter space that the generated gravitational waves fall within the sensitivity of eLISA, DECIGO and BBO.

2017
Issue9Pages:9
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1088/1475-7516/2017/09/009
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22185
CollectionSCI期刊论文
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Corresponding AuthorChao, W (reprint author), Beijing Normal Univ, Dept Phys, Ctr Adv Quantum Studies, Beijing 100875, Peoples R China.
Recommended Citation
GB/T 7714
Chao, W,Guo, HK,Shu, J,et al. Gravitational wave signals of electroweak phase transition triggered by dark matter[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2017(9):9.
APA Chao, W,Guo, HK,Shu, J,&Chao, W .(2017).Gravitational wave signals of electroweak phase transition triggered by dark matter.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(9),9.
MLA Chao, W,et al."Gravitational wave signals of electroweak phase transition triggered by dark matter".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .9(2017):9.
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