Inflection-point inflation with axion dark matter in light of Trans-Planckian Censorship Conjecture

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Date
2020
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract

Motivated by the recently proposed Trans-Planckian Censorship Conjecture (TCC), we propose a gauged (B-L) model of inflection-point inflation with axion dark matter. The Hubble scale during inflation (({H}{\mathrm{inf}})) satisfies the TCC bound of ({H}{\mathrm{inf}}\lesssim 1) GeV, the axion dark matter scenario is free from the axion domain wall and isocurvature problems. The seesaw mechanism is automatically incorporated in the model and the observed baryon asymmetry of the universe can be reproduced via resonant leptogenesis.

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Keywords
B-L SYMMETRY, NEUTRINO MASSES, BARYOGENESIS, SCALE, Astronomy & Astrophysics, Physics, Nuclear, Physics, Particles & Fields, Physics
Citation
Okada, N., Raut, D., & Shafi, Q. (2021). Inflection-point inflation with axion dark matter in light of Trans-Planckian Censorship Conjecture. In Physics Letters B (Vol. 812, p. 136001). Elsevier BV. https://doi.org/10.1016/j.physletb.2020.136001