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The hybrid curvaton

Research output: Contribution to journalJournal article

Published
Article number123541
<mark>Journal publication date</mark>26/06/2012
<mark>Journal</mark>Physical Review D
Issue number12
Volume85
Number of pages7
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

We study both oscillating and inflating curvaton scenarios when the curvaton mechanism is caused by a hybrid potential. The source of the curvature perturbation is the inhomogeneous phase transition that causes the modulation of the onset of the oscillation. For the supergravity-motivated curvaton there is a possibility of finding natural coincidence of the energy density that is needed to affect non-Gaussianity in the curvaton scenario.