Affleck-Dine Baryogenesis, Split Supersymmetry, and Inflation

Details Affleck-Dine Baryogenesis, Split Supersymmetry, and Inflation Affleck-Dine Baryogenesis, Split Supersymmetry, and Inflation

2008-02-10

arxiv.org/abs/0802.1328v3

Phys.Rev.D80:063519,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

version accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.80.063519

It is shown that, in the context of split supersymmetry, a simple model with a single complex scalar field can produce chaotic inflation and generate the observed amount of baryon asymmetry via the Affleck-Dine mechanism. While the inflaton quantum fluctuations give rise to curvature perturbation, we show that quantum fluctuations of the phase of the scalar field can produce baryonic isocurvature perturbation. Combining with constraints from WMAP data, all parameters in the model can be determined to within a narrow range.

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