Gravitational traces of broken gauge symmetries

被引：29

作者：

Azatov, Aleksandr ^{[1
,2
,3
]}

Barducci, Daniele ^{[4
,5
]}

Sgarlata, Francesco ^{[1
,2
,3
]}

机构：

[1] SISSA Int Sch Adv Studies, Via Bonomea 265, I-34136 Trieste, Italy

[2] INFN, Sez Trieste, Via Bonomea 265, I-34136 Trieste, Italy

[3] IFPU, Via Beirut 2, I-34014 Trieste, Italy

[4] Univ Roma Sapienza, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[5] INFN, Sez Roma, Piazzale Aldo Moro 5, I-00185 Rome, Italy

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2020年 / 07期

关键词：

cosmological phase transitions; particle physics - cosmology connection; physics of the early universe; ELECTROWEAK PHASE-TRANSITION; RADIATION; VACUUM; UNIVERSE;

D O I：

10.1088/1475-7516/2020/07/027

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate first-order phase transitions arising from hidden sectors, which are in thermal equilibrium with the Standard Model bath in the Early Universe. Focusing on two simplified scenarios, a higgsed U(1) and a two scalar singlet model, we show the impact of friction effects acting on the bubble walls on the gravitational wave spectra and the consequences for present and future interferometer experiments. We further comment on the possibility of disentangling the properties of the underlying theory featuring the first-order phase transition should a stochastic gravitational-wave signal be discovered.

引用

页数：28

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