Late-time Affleck-Dine baryogenesis after thermal inflation

Abstract

Thermal inflation can solve serious cosmological problems such as overproduction of gravitinos and moduli. However, it also dilutes the preexisting baryon asymmetry. We investigate a possibility that Affleck-Dine mechanism works after thermal inflation and generate the baryon number at an acceptable level using lattice calculation. We find that a proper amount of baryon number can be generated for appropriate model parameters.

6 pages, 5 figures, reference added

References in corpus (3)

• The Gravitino-Overproduction Problem in Inflationary Universe
• Inflaton Decay through Supergravity Effects
• Non-Perturbative Instabilities as a Solution of the Cosmological Moduli Problem

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