Massive vector multiplet inflation with Dirac-Born-Infeld type action

Hiroyuki Abe; Yutaka Sakamura; Yusuke Yamada

doi:10.1103/PhysRevD.91.125042

Massive vector multiplet inflation with Dirac-Born-Infeld type action

Hiroyuki Abe, Yutaka Sakamura, Yusuke Yamada

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

We investigate the inflation model with a massive vector multiplet in a case that the action of the vector multiplet is extended to the Dirac-Born-Infeld (DBI) type one. We show the massive DBI action in four-dimensional N=1 supergravity and find that the higher-order corrections associated with the DBI extension make the scalar potential flat with a simple choice of the matter couplings. We also discuss the DBI extension of the new minimal Starobinsky model and find that it is dual to a special class of the massive DBI action.

Original language	English
Article number	125042
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.91.125042
Publication status	Published - 2015 Jun 30

ASJC Scopus subject areas

Nuclear and High Energy Physics

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