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A Note on Gravitational Particle Production in Supergravity

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arxiv 1905.09143 v1 pith:YC7NAZSO submitted 2019-05-22 hep-ph astro-ph.CO

Kazunori Nakayama This is my paper · ORCID
classification hep-phastro-ph.CO
keywords chiralgravitationalkahlerminimalparticlepotentialproductionscalar
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It is pointed out that the gravitational particle production rate of a scalar component of a chiral superfield in supergravity with minimal Kahler potential can be significantly suppressed compared with a minimal scalar field in non-supersymmetric Einstein gravity. This suppression is avoided for some choice of the inflaton sector and also for non-minimal Kahler potential of the chiral superfield.

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Cited by 1 Pith paper

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  1. Gravitational Dark Matter Production in Supergravity $\alpha$-Attractor Inflation

    hep-ph 2024-11 conditional novelty 6.0 of 10

    Supergravity corrections in α-attractor inflation suppress gravitational dark matter production and shift the required reheating temperature to 10^3-10^7 GeV.

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