Séminaires sur les aspects théoriques et expérimentaux de la gravitation

Single-field Inflationary Models in Supergravity

par Prof. Massimo PORRATI (New York University)

Europe/Paris
Amphithéâtre Léon Motchane (IHES)

Amphithéâtre Léon Motchane

IHES

Le Bois Marie 35, route de Chartres 91440 Bures-sur-Yvette
Description
After reviewing the well known fact that bosonic "Starobinsky" R + f(R) models of inflation are equivalent to standard single-scalar slow-roll theories, we show how to embed R + f(R) models in supergravity, in an efficient way, using supergravity's "new minimal" formulation. We also discuss how supergravity can improve the naturalness of such models and conclude presenting a rather general class of R + f(R) models coupled to matter.
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