Inflation in supergravity with a single chiral superfield

Sergei V. Ketov, Takahiro Terada

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

We propose new supergravity models describing chaotic Linde- and Starobinsky-like inflation in terms of a single chiral superfield. The key ideas to obtain a positive vacuum energy during large field inflation are (i) stabilization of the real or imaginary partner of the inflaton by modifying a Kähler potential, and (ii) use of the crossing terms in the scalar potential originating from a polynomial superpotential. Our inflationary models are constructed by starting from the minimal Kähler potential with a shift symmetry, and are extended to the no-scale case. Our methods can be applied to more general inflationary models in supergravity with only one chiral superfield.

Original languageEnglish
Pages (from-to)272-277
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume736
DOIs
Publication statusPublished - 7 Sep 2014

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supergravity
polynomials
stabilization
scalars
vacuum
shift
symmetry
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Inflation in supergravity with a single chiral superfield. / Ketov, Sergei V.; Terada, Takahiro.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 736, 07.09.2014, p. 272-277.

Research output: Contribution to journalArticle

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