Starobinsky inflation from new-minimal supergrayity

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Authors

FARAKOS Fotios

Year of publication 2015
Type Article in Proceedings
Conference 4TH SYMPOSIUM ON PROSPECTS IN THE PHYSICS OF DISCRETE SYMMETRIES (DISCRETE2014)
MU Faculty or unit

Faculty of Science

Citation
Web https://iopscience.iop.org/article/10.1088/1742-6596/631/1/012088
Doi http://dx.doi.org/10.1088/1742-6596/631/1/012088
Keywords HIGHER-DERIVATIVE SUPERGRAVITY; AUXILIARY FIELDS; MODELS
Description In the new-ininimal supergravity formulation we present the embedding, of the I? + R-2 Starobinsky model of inflation. Starting from the superspace action we perform the projection to component fields and identify the Starobinsky model in the bosonic sector. Since there exist no other scalar fields, this is by construction a single field model. This higher curvature supergravity also gives rise to a propagating massive vector. Finally we comment on the issues of higher order corrections and initial conditions.
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