Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-8158-5
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- SCOAP3
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In this article, we argue that the past of the Universe, extrapolated from standard physics and measured cosmological parameters, might be a non-singular bounce. We also show that, in this framework, quite stringent constraints can be put on the reheating temperature and number of inflationary e-folds, basically fixing TRH similar to TGUT and N similar to 70. We draw some conclusions about the shape of the inflaton potential and raise the naturalness issue in this context. Finally, we argue that this could open a very specific window on the pre big bounce universe.
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