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Gravitational Production of Superheavy Dark Matter and Associated Cosmological Signatures

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arxiv 1903.08842 v1 pith:QSTGYEGI submitted 2019-03-21 astro-ph.CO hep-phhep-th

Lingfeng Li , Tomohiro Nakama , Chon Man Sou , Yi Wang , Siyi Zhou This is my paper
classification astro-ph.COhep-phhep-th
keywords darkmattercosmologicalduringgravitationalinflationproducedproduction
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We study the gravitational production of super-Hubble-mass dark matter in the very early universe. We first review the simplest scenario where dark matter is produced mainly during slow roll inflation. Then we move on to consider the cases where dark matter is produced during the transition period between inflation and the subsequent cosmological evolution. The limits of smooth and sudden transitions are studied, respectively. The relic abundances and the cosmological collider signals are calculated.

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Cited by 2 Pith papers

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  1. The Exact and Approximate Tales of Boost-Breaking Cosmological Correlators

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  2. AGILE: an end-to-end Rubin-LSST simulation of AGNs, galaxies, and stars I. Software description and first data release

    astro-ph.GA 2026-03 unverdicted novelty 6.0 of 10

    AGILE builds a 24 deg² truth catalog and a 1 deg² three-year LSST pilot (DR1) to measure flux recovery and Type-1 AGN completeness/purity from color and variability selections.

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