Gravitational production of dark matter in the Peebles-Vilenkin model

Jaume Haro

Gravitational production of dark matter in the Peebles-Vilenkin model

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arxiv 1904.02393 v2 pith:BEMOULBU submitted 2019-04-04 gr-qc

Jaume Haro This is my paper · ORCID

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keywords darkmattergravitationalmodelpeebles-vilenkinproductionscenariossuperheavy

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The gravitational production of superheavy dark matter, in the Peebles-Vilenkin quintessential inflation model, is studied in two different scenarios: When the particles, whose decay products reheat the universe after the end of the inflationary period, are created gravitationally, and when are produced via instant preheating. We show that the viability of both scenarios requires that the mass of the superheavy dark matter to be approximately between 10^{16} and 10^{17} GeV.

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A note on the gravitational dark matter production
gr-qc 2024-12 conditional novelty 4.0 of 10

The study connects the reheating temperature to the dark matter mass in two gravitational production scenarios and derives narrow viable mass ranges for each.

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