Inflation and leptogenesis from right handed sneutrinos in supergravity

Journal Article · Tue Jun 21 04:00:00 EDT 2016 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4953314· OSTI ID:22609096

Peloso, Marco ^[1]

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1. School of Physics and Astronomy and Minnesota Institute for Astrophysics, University of Minnesota, Minneapolis, MN 55455 (United States)

We describe a supergravity model of inflation where the inflaton is identified with one linerar combination of two right handed sneutrino fields. The potential along the inflationary trajectory is flatter than that of massive chaotic inflation, resulting in a detectable but not ruled out tensor-to-scalar ratio r. In general, the potential for the two sneutrinos has complex phases. As a result, the two neutrinos can develop a nonvanishing lepton charge through a simple modification of the Affleck-Dine mechanism. [This talk summarizes the work of Evans, Ghergetta, and Peloso, Phys. Rev. D 92, no. 2, 021303 (2015) (Ref. 1). Please refer to that work for details and for a more comprehensive list of references.].

• OSTI ID: 22609096
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1743; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHAOS THEORY
INFLATIONARY UNIVERSE
LEPTONS
MODIFICATIONS
NEUTRINOS
PARTICLE PRODUCTION
SPARTICLES
SUPERGRAVITY
TRAJECTORIES
UNIFIED FIELD THEORIES