Affleck-Dine Baryogenesis and Dark Matter Production after High-scale Inflation
arXiv:1404.3138 · doi:10.1103/PhysRevD.90.043510
Abstract
The discovery of the primordial B-mode polarisation by the BICEP2 experiment indicates inflation with a relatively high energy scale. Taking this indication into account, we propose consistent scenarios to account for the observed baryon and dark matter densities in gravity and gauge mediated supersymmetry breaking models. The baryon asymmetry is explained by the Afflck-Dine mechanism, which requires relatively low reheating temperature to avoid a sizable baryonic isocurvature perturbation. The low reheating temperature then requires non-thermal production of dark matter to account for the correct relic density of dark matter. Our scenarios can account for the observations of baryon and dark matter density in gravity and gauge mediation and predict some parameters, including the mass of dark matter.
arXiv comment44 pages, 5 figures; v2: baryonic isocurvature constraint clarified in Sec. III, version accepted for publication in PRD
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