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1 IPHT - Institut de Physique Théorique - UMR CNRS 3681 2 Institute for Advanced Studies 3 Stanford Institute of Theoretical Physics and Department of Physics

Abstract : We construct inflationary models in the context of supergravity with orthogonal nilpotent superfields 1. When local supersymmetry is gauge-fixed in the unitary gauge, these models describe theories with only a single real scalar the inflaton, a graviton and a gravitino. Critically, there is no inflatino, no sgoldstino, and no sinflaton in these models. This dramatically simplifies cosmological models which can simultaneously describe inflation, dark energy and SUSY breaking.

Autor: John Joseph M. Carrasco - Renata Kallosh - Andrei Linde -



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