Dark Matter Freeze-In during Warm Inflation and the Seesaw Mechanism

Abstract

A compelling way to address the inflationary period is via the warm inflation scenario, where the interaction of the inflaton field with other degrees of freedom affects its dynamics in such a way that slow-roll inflation is maintained by dissipative effects in a thermal bath. In this context, if a dark matter particle is coupled to the bath due to non-renormalizable interactions, the observed dark matter abundance may be produced during warm inflation via ultra-violet freeze-in. In this work, we propose applying this scenario in the framework of a $U(1{)}_{B-L}$ gauge extension of the Standard Model of Particle Physics, where we also employ the seesaw mechanism for generating neutrino masses.

arXiv comment20 pages, 4 figures and 1 table

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Cited by in corpus (4)

• Constraints on Barrow and Tsallis Holographic Dark Energy from DESI DR2 BAO data
• Thermal Gravitons from Warm Inflation
• Purely gravitational dark matter production in warm inflation
• Freeze-in gravitational waves and dark matter in warm inflation