Curvaton Scenario with Affleck-Dine Baryogenesis

Details Curvaton Scenario with Affleck-Dine Baryogenesis Curvaton Scenario with Affleck-Dine Baryogenesis

2004-04-28

arxiv.org/abs/hep-ph/0404253v1

Phys.Rev. D70 (2004) 083515

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages,2 figures

Scientific paper

10.1103/PhysRevD.70.083515

We discuss the curvaton scenario with the Affleck-Dine baryogenesis. In this scenario, non-vanishing baryonic entropy fluctuation may be generated even without primordial fluctuation of the Affleck-Dine field. Too large entropy fluctuation is inconsistent with the observations and hence constraints on the curvaton scenario with the Affleck-Dine baryogenesis are obtained. We calculate the baryonic entropy fluctuation (as well as other cosmological density fluctuations) in this case and derive constraints. Implications to some of the models of the curvaton are also discussed.

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