Models of inflation liberated by the curvaton hypothesis

Dimopoulos, Konstantinos and Lyth, David H. (2004) Models of inflation liberated by the curvaton hypothesis. Physical Review D, 69 (12). ISSN 1550-7998

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Abstract

It is usually supposed that inflation is of the slow-roll variety and that the inflaton generates the primordial curvature perturbation. According to the curvaton hypothesis, inflation need not be slow-roll, and if it is, the inflaton generates a negligible curvature perturbation. We find that the construction of slow-roll inflation models becomes much easier under this hypothesis. Also, thermal inflation followed by fast-roll becomes viable, with no slow-roll inflation at all.

Item Type: Journal Article
Journal or Publication Title: Physical Review D
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 22989
Deposited By: Dr Konstantinos Dimopoulos
Deposited On: 19 Jan 2009 13:18
Refereed?: Yes
Published?: Published
Last Modified: 14 Aug 2019 04:07
URI: https://eprints.lancs.ac.uk/id/eprint/22989

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