Flux-Induced Baryon Asymmetry

Details Flux-Induced Baryon Asymmetry Flux-Induced Baryon Asymmetry

2006-02-27

arxiv.org/abs/hep-th/0602279v1

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, Latex file, no figures

Scientific paper

I propose that the primordial baryon asymmetry of the universe was induced by the presence of a non-vanishing antisymmetric field background H_ijk across the three space dimensions. This background creates a dilute (B-L)-number density in the universe cancelling the contribution from baryons and leptons. This situation naturally appears if the U(1)_{B-L} symmetry is gauged and the corresponding gauge boson gets a Stuckelberg mass by combining with an antisymmetric field B_ij. All these ingredients are present in D-brane models of particle physics. None of the Sakharov conditions are required.

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