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.
44 pages, 5 figures; v2: baryonic isocurvature constraint clarified in Sec. III, version accepted for publication in PRD
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- Observational implications of mattergenesis during inflation
- Detectable Gravitational Wave Signals from Affleck-Dine Baryogenesis
- Energy Spectrum of Thermalizing High Energy Decay Products in the Early Universe
- Diraxiogenesis
- Baryon Asymmetric Universe from Spontaneous CP Violation
- Q-ball dark matter and baryogenesis in high-scale inflation
- A solution to the baryon-DM coincidence problem in the CMSSM with a 126-GeV Higgs boson
- Affleck-Dine baryogenesis after D-term inflation and solutions to the baryon-DM coincidence problem
- Oscillating Affleck-Dine condensate and its cosmological implications
- Parametric Coincidence in the Baryon to Dark Matter Ratio from Affleck-Dine Baryogenesis and UV Freeze-in Dark Matter
- Kination cosmology from scalar fields and gravitational-wave signatures