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Reheating constraints in quintessential inflation

Feb 14, 2017

7 pages

Published in:

Phys.Rev.D 95 (2017) 12, 123501

Published: Jun 2, 2017

e-Print:

1702.04212 [gr-qc]

DOI:

10.1103/PhysRevD.95.123501

View in:

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Abstract: (APS)

We study the consequences of reheating in quintessential inflation. From simple inflationary quintessential models introduced by de Haro, Amorós, and Pan in [Phys. Rev. D 93, 084018 (2016)PRVDAQ2470-001010.1103/PhysRevD.93.084018] and [Phys. Rev. D 94, 064060 (2016)PRVDAQ2470-001010.1103/PhysRevD.94.064060], we show that when the reheating is due to the production of heavy massive particles conformally coupled with gravity, a viable model which matches with the current observational data is only possible for reheating temperatures that range between 1 GeV and 104 GeV. On the other hand, when the Universe reheats via the production of massless particles, viability of the model is only possible when those particles are nearly conformally coupled with gravity, leading to a reheating temperature between 1 MeV and 104 GeV.

Note:

Version accepted for publication in PRD

04.20.-q
98.80.Jk
98.80.Bp
temperature: reheating
particle: massless
particle: massive
coupling: conformal
quintessence
inflation
gravitation

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Figures(2)

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