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Inflation and dark matter in the inert doublet model
2017 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 11, article id 080Article in journal (Refereed) Published
Abstract [en]

We discuss inflation and dark matter in the inert doublet model coupled non-minimally to gravity where the inert doublet is the inflaton and the neutral scalar part of the doublet is the dark matter candidate. We calculate the various inflationary parameters like n(s), r and P-s and then proceed to the reheating phase where the inflaton decays into the Higgs and other gauge bosons which are non-relativistic owing to high effective masses. These bosons further decay or annihilate to give relativistic fermions which are finally responsible for reheating the universe. At the end of the reheating phase, the inert doublet which was the inflaton enters into thermal equilibrium with the rest of the plasma and its neutral component later freezes out as cold dark matter with a mass of about 2TeV.

Place, publisher, year, edition, pages
Springer, 2017. no 11, article id 080
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Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-218208DOI: 10.1007/JHEP11(2017)080ISI: 000415205300003OAI: oai:DiVA.org:kth-218208DiVA, id: diva2:1160899
Note

QC 20171128

Available from: 2017-11-28 Created: 2017-11-28 Last updated: 2017-11-28Bibliographically approved

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Choubey, Sandhya

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