Baryogenesis by Brane-Collision

Details Baryogenesis by Brane-Collision Baryogenesis by Brane-Collision

2002-01-07

arxiv.org/abs/hep-th/0201040v2

Phys.Rev. D66 (2002) 066005

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, Latex, 2 eps-figures

Scientific paper

10.1103/PhysRevD.66.066005

We present a new scenario for baryogenesis in the context of heterotic brane-world models. The baryon asymmetry of the universe is generated at a small-instanton phase transition which is initiated by a moving brane colliding with the observable boundary. We demonstrate, in the context of a simple model, that reasonable values for the baryon asymmetry can be obtained. As a byproduct we find a new class of moving-brane cosmological solutions in the presence of a perfect fluid.

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