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Aligned natural inflation with modulations

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Title
Aligned natural inflation with modulations
Author(s)
Kiwoon Choi; Hyungjin Kim
Publication Date
2016-08
Journal
PHYSICS LETTERS B, v.759, no., pp.520 - 527
Publisher
ELSEVIER SCIENCE BV
Abstract
The weak gravity conjecture applied for the aligned natural inflation indicates that generically there can be a modulation of the inflaton potential, with a period determined by sub-Planckian axion scale. We study the oscillations in the primordial power spectrum induced by such modulation, and discuss the resulting observational constraints on the model. © 2016 The Author(s)
URI
http://pr.ibs.re.kr/handle/8788114/2665
DOI
10.1016/j.physletb.2016.05.097
ISSN
0370-2693
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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