Cosmological moduli problem in low cutoff theory

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25 Citations (Scopus)


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 reheating temperature, and find, in particular, that the reheating temperature can be high enough for nonthermal leptogenesis to work.

Original languageEnglish
Article number043507
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number4
Publication statusPublished - 2012 Aug 3


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