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

Research output: Contribution to journalJournal article


Article number103504
<mark>Journal publication date</mark>5/11/2009
<mark>Journal</mark>Physical Review D
Issue number10
Number of pages5
<mark>Original language</mark>English


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.

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© 2009 The American Physical Society