Cosmological Moduli Problem in Low Cutoff Theory

Details Cosmological Moduli Problem in Low Cutoff Theory Cosmological Moduli Problem in Low Cutoff Theory

2011-12-02

arxiv.org/abs/1112.0418v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures

Scientific paper

We show that the cosmological moduli problem is solved, without relying on huge late-time entropy production, if the universal cutoff scale of the theory is a few orders of magnitude smaller than the Planck scale. We obtain a general estimate of the modulus abundance in terms of the inflationary scale and the reheating temperature, and find in particular that the reheating temperature can be high enough for the non-thermal leptogenesis to work.

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