Astrophysics > Cosmology and Nongalactic Astrophysics
[Submitted on 3 Oct 2016 (v1), last revised 14 Mar 2017 (this version, v3)]
Title:O'R Inflation in $F$-term Supergravity
View PDFAbstract:The supersymmetric realization of inflation in $F$-term supergravity is usually plagued by the well known "$\eta$" problem. In this paper, a broad class of small-field examples is realized by employing general O' Raifeartaigh superpotentials, where the moduli is identified as the massless inflaton. For illustration we present the simplest example in detail, which can be considered as a generalization of hybrid inflation.
Submission history
From: Sibo Zheng [view email][v1] Mon, 3 Oct 2016 05:08:26 UTC (18 KB)
[v2] Thu, 1 Dec 2016 06:59:08 UTC (18 KB)
[v3] Tue, 14 Mar 2017 05:42:12 UTC (20 KB)
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