Some cosmological implications of hidden sectors

J. R. Espinosa, T. Konstandin, J. M. No, M. Quirós

Research output: Contribution to journalArticleResearchpeer-review

102 Citations (Scopus)

Abstract

We discuss some cosmological implications of extensions of the standard model with hidden-sector scalars coupled to the Higgs boson. We put special emphasis on the conformal case, in which the electroweak symmetry is broken radiatively with a Higgs mass above the experimental limit. Our refined analysis of the electroweak phase transition in this kind of models strengthens the prediction of a strongly first-order phase transition as required by electroweak baryogenesis. We further study gravitational wave production and the possibility of low-scale inflation as well as a viable dark matter candidate. © 2008 The American Physical Society.
Original languageEnglish
Article number123528
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume78
Issue number12
DOIs
Publication statusPublished - 2 Dec 2008

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