A Note on Inflation and the Swampland

We provide some comments about the constraints on the inflationary models inferred from the two Swampland criteria which have been recently proposed. In particular we argue that, in the absence of any knowledge about the origin of the adiabatic curvature perturbations, within the slow‐roll single fi...

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Published in:Fortschritte der Physik 2018-10, Vol.66 (10), p.n/a
Main Authors: Kehagias, A., Riotto, A.
Format: Article
Language:English
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Constraint modelling
Curvature
Inflation
Lower bounds
Swampland
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description We provide some comments about the constraints on the inflationary models inferred from the two Swampland criteria which have been recently proposed. In particular we argue that, in the absence of any knowledge about the origin of the adiabatic curvature perturbations, within the slow‐roll single field models of inflation there is no tension between the swampland criteria and the current lower bound on the tensor‐to‐scalar ratio. The authors provide some comments about the constraints on the inflationary models inferred from the two Swampland criteria which have been recently proposed. In particular they argue that, in the absence of any knowledge about the origin of the adiabatic curvature perturbations, within the slow‐roll single field models of inflation there is no tension between the swampland criteria and the current lower bound on the tensor‐to‐scalar ratio.
doi_str_mv 10.1002/prop.201800052
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subjects Constraint modelling
Curvature
Inflation
Lower bounds
Swampland
title A Note on Inflation and the Swampland
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