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Ryusuke Jinno
순수물리이론 연구단
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Hillclimbing inflation in metric and Palatini formulations

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Title
Hillclimbing inflation in metric and Palatini formulations
Author(s)
Ryusuke Jinno; Kunio Kaneta; Kin-ya Oda; Seong Chan Park
Publication Date
2019-04
Journal
PHYSICS LETTERS B, v.791, no., pp.396 - 402
Publisher
ELSEVIER SCIENCE BV
Abstract
A new setup of cosmic inflation with a periodic inflaton potential and conformal factor is discussed in the metric and Palatini formulations of gravity. As a concrete example, we focus on a natural-inflation-like inflaton potential, and show that the inflationary predictions fall into the allowed region of cosmic microwave background observations in both formulations. © 2019 The Author(s)
URI
https://pr.ibs.re.kr/handle/8788114/5867
ISSN
0370-2693
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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