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Inflation, baryogenesis and gravitino dark matter at ultra low reheat temperatures.

Research output: Contribution to journalJournal article


Article number103504
Journal publication date5/11/2009
JournalPhysical Review D
Number of pages5
Original languageEnglish


It is quite possible that the reheat temperature of the Universe is extremely low close to the scale of big bang nucleosynthesis, i.e. TR∼1–10 MeV. At such low reheat temperatures generating matter, antimatter asymmetry and synthesizing dark matter particles are challenging issues which need to be addressed within a framework of beyond the standard model physics. In this paper we point out that a successful cosmology can emerge naturally provided the R-parity violating interactions are responsible for the excess in baryons over antibaryons and at the same time they can explain the longevity of dark matter with the right abundance.

Bibliographic note

© 2009 The American Physical Society