Spontaneous Leptogenesis

Details Spontaneous Leptogenesis Spontaneous Leptogenesis

1996-09-26

arxiv.org/abs/hep-ph/9609493v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages (including 1 eps file)

Scientific paper

I propose a new mechanism for baryogenesis, in which the out-of-equilibrium
condition is not neccessary. When the electroweak symmetry is broken
spontaneously, left-handed neutrinos may get Majorana masses containing
$CP-$violating phases. This induces a lepton asymmetry spontaneously, which is
then converted to a baryon asymmetry in the presence of the sphaleron field.

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