Inflatino-less Cosmology

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.
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https://hal-cea.archives-ouvertes.fr/cea-01426635
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Submitted on : Wednesday, January 4, 2017 - 5:19:58 PM
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John Joseph M. Carrasco, Renata Kallosh, Andrei Linde. Inflatino-less Cosmology. Physical Review D, American Physical Society, 2015, 93 (6), ⟨10.1103/PhysRevD.93.061301⟩. ⟨cea-01426635⟩

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