Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP09(2018)094
Keywords
Supergravity Models; Supersymmetry Breaking
Categories
Funding
- JSPS (kakenhi) Grant [16K05330]
- Competitiveness Enhancement Program of Tomsk Polytechnic University in Russia
- Waseda University Grant for Special Research Projects [2018S-141]
- Japanese Society for Promotion of Science (JSPS) [26400252]
- World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan
- Grants-in-Aid for Scientific Research [16K05330] Funding Source: KAKEN
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We propose a four-dimensional N = 1 supergravity-based Starobinsky-type inflationary model in terms of a single massive vector multiplet, whose action includes the Dirac-Born-Infeld-type kinetic terms and a generalized (new) Fayet-Iliopoulos-type term, without gauging the R-symmetry. The bosonic action and the scalar potential are computed. The inflaton is the superpartner of the Goldstino in our model, and supersymmetry is spontaneously broken after inflation by the D-type mechanism, whose scale is related to the value of the cosmological constant.
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