Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2022/02/029
Keywords
inflation; particle physics - cosmology connection; physics of the early universe
Funding
- National Research Foundation of Korea (NRF) - Korea government [NRF-2019R1A2C1089334, NRF2021R1A4A2001897, NRF-2020R1A6A3A13076216]
- Hyundai Motor Chung Mong-Koo Foundation Scholarship
- National Research Foundation of Korea [4199990114260, 00000004] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We study the reheating of inflationary models with general non-minimal coupling and provide general analytic expressions for cosmological observables. By considering a wide range of nonminimal coupling and different formalisms, we derive predictions for cosmological observables and the reheating temperature with respect to a general equation of state parameter.
We study reheating of inflationary models with general non-minimal coupling K(phi)R with K(phi) similar to root V (phi) where R is the Ricci scalar and V is the inflaton potential. In particular, when we take the monomial potential K(phi) proportional to phi(m) with m is an element of Z(+), we provide general analytic expressions for cosmological observables. We consider a wide range of nonminimal coupling xi is an element of [0, infinity) in metric and Palatini formalisms and derive the predictions for cosmological observables and the reheating temperature taking a general equation of state parameter w(reh).
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