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): 123509. 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:
?? qc physics ??
ID Code:
22989
Deposited On:
19 Jan 2009 13:18
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 10:15