from September 29, 2015 to October 2, 2015
DESY Hamburg
Europe/Berlin timezone
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Contribution

DESY Hamburg - Seminar room 2

Affleck-Dine baryogenesis after D-term inflation and a solution to the baryon-DM coincidence problem

Speakers

  • Mr. Masaki YAMADA

Primary authors

Co-authors

Abstract content

We investigate the Affleck-Dine baryogenesis after D-term inflation with a positive Hubble-induced mass term for a B-L flat direction. It stays at a large field value during D-term inflation, and just after inflation ends it starts to oscillate around the origin of the potential due to the positive Hubble-induced mass term. The phase direction is kicked by higher-dimensional Kahler potentials to generate the B-L asymmetry. We also provide a D-term inflation model which naturally explain the coincidence of the energy density of baryon and dark matter.