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Quintessential inflation at low reheating temperatures

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arxiv 1707.02810 v2 pith:MIDHJGZ3 submitted 2017-07-10 gr-qc

classification gr-qc
keywords inflationproductionreheatinggravitationalmodelsobtainedquintessentialtemperature
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We have tested some simple quintessential inflation models, imposing that they match with the recent observational data provided by the BICEP and Planck's team and leading to a reheating temperature, which is obtained via gravitational particle production after inflation, supporting the nucleosynthesis success. Moreover, for the models coming from supergravity one needs to demand low temperatures in order to avoid problems such as the gravitino overproduction or the gravitational production of moduli fields, which are obtained only when the reheating temperature is due to the production of massless particles with a coupling constant very close to its conformal value.

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  1. A note on the gravitational dark matter production

    gr-qc 2024-12 conditional novelty 4.0 of 10

    The study connects the reheating temperature to the dark matter mass in two gravitational production scenarios and derives narrow viable mass ranges for each.

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