Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série APC-TH
Domaines hep-th
Date Mardi 23 Octobre 2018
Heure 14:00
Institut APC
Salle 646 A - Mondrian
Nom de l'orateur Hardwick
Prenom de l'orateur Robert
Addresse email de l'orateur
Institution de l'orateur Portsmouth University
Titre Bayesian measurements of inflation with additional fields
Résumé In this talk I will demonstrate how, by introducing additional scalar degrees of freedom, one can measure properties of the inflationary era which may be otherwise inaccessible. Using two explicit examples (the curvaton and a feebly interacting model of dark matter), which introduce new informative priors into the post- inflationary phenomenology, we are able to constrain either the total duration that inflation takes place or its energy scale independently of the tensor-to-scalar ratio. Measurements of this kind may prove crucial in advancing the study of inflation if the future observational data were to yield a limited amount of new information.
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