Quintessential inflation at low reheating temperatures
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We have tested some simple quintessential inflation models, imposing the requirement that they match with the recent observational data provided by the BICEP and Planck 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.
CitationAresté, L., Haro, J. Quintessential inflation at low reheating temperatures. "European physical journal C", 23 Novembre 2017, vol. 77, núm. 11, p. 1-16.