TY - JOUR
T1 - Hillclimbing inflation in metric and Palatini formulations
AU - Jinno, Ryusuke
AU - Kaneta, Kunio
AU - Oda, Kin ya
AU - Park, Seong Chan
N1 - Publisher Copyright:
© 2019 The Author(s)
PY - 2019/4/10
Y1 - 2019/4/10
N2 - 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.
AB - 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.
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U2 - 10.1016/j.physletb.2019.03.012
DO - 10.1016/j.physletb.2019.03.012
M3 - Article
AN - SCOPUS:85063060940
SN - 0370-2693
VL - 791
SP - 396
EP - 402
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ER -