Abstract
A model of a universe without big bang singularity is presented, which displays an early inflationary period ending just before a phase transition to a kination epoch. The model produces enough heavy particles so as to reheat the universe at temperatures in the MeV regime. After the reheating, it smoothly matches the standard \(\Lambda \)CDM scenario.
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Acknowledgments
We would like to thank professor Yifu Cai for his comments, in particular concerning the past-incompleteness of our model. This investigation has been supported in part by MINECO (Spain), projects MTM2014-52402-C3-1-P and FIS2013-44881, by I-LINK1019 from CSIC, and by the CPAN Consolider Ingenio Project.
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de Haro, J., Elizalde, E. Inflation and late-time acceleration from a double-well potential with cosmological constant. Gen Relativ Gravit 48, 77 (2016). https://doi.org/10.1007/s10714-016-2072-z
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DOI: https://doi.org/10.1007/s10714-016-2072-z