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Cosmological Moduli Problem in Low Cutoff Theory

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arxiv 1112.0418 v2 pith:NUBHGC6I submitted 2011-12-02 hep-ph astro-ph.COhep-th

Kazunori Nakayama , Fuminobu Takahashi , Tsutomu T. Yanagida This is my paper · ORCID
classification hep-phastro-ph.COhep-th
keywords scalecosmologicalcutoffmoduliproblemreheatingtemperaturetheory
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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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Cited by 1 Pith paper

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  1. Neutralino dark matter in gauge mediation

    hep-ph 2025-02 conditional novelty 4.0 of 10

    Neutralino dark matter is viable in four scenarios within a 5D gauge mediation model with an O(100) TeV gravitino, and the allowed parameter regions are mapped against current experiments.

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