Inflationary Baryogenesis

Details Inflationary Baryogenesis Inflationary Baryogenesis

2001-03-30

arxiv.org/abs/hep-ph/0103348v3

Phys.Rev. D64 (2001) 063511

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, Revtex

Scientific paper

10.1103/PhysRevD.64.063511

In this letter we explore the possibility of creating the baryon asymmetry of the universe during inflation and reheating due to the decay of a field associated with the inflaton. CP violation is attained by assuming that this field is complex with a phase that varies as the inflaton evolves. We consider chaotic and natural inflation scenarios. In the former case, the complex decaying field is the inflaton itself and, in the latter case, the phase of the complex field is the inflaton. We calculate the asymmetry produced using the Bogolyubov formalism that relates annihilation and creation operators at late time to the annihilation and creation operators at early time.

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