Baryogenesis at the end of hybrid inflation

Details Baryogenesis at the end of hybrid inflation Baryogenesis at the end of hybrid inflation

2001-11-16

arxiv.org/abs/hep-ph/0111200v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 fig, talk given at COSMO-01, Rovaniemi, Finland, August 29 - September 4, 2001

Scientific paper

The baryon asymmetry of the universe may originate in the phase transition at the end of hybrid inflation, provided that the reheat temperature is low enough. I show that if the field that triggers the end of inflation is the electroweak Higgs field and CP is violated, the transition leads to baryon asymmetry even if no preheating or non-thermal symmetry restoration takes place. I estimate the strength of this effect and the constraints it imposes on the inflationary model.

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