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Planck 2018 and brane inflation revisited

  • Renata Kallosh
  • Andrei Linde
  • Yusuke YamadaEmail author
Open Access
Regular Article - Theoretical Physics
  • 26 Downloads

Abstract

We revisit phenomenological as well as string-theoretical aspects of D-brane inflation cosmological models. Phenomenologically these models stand out on par with α-attractors, as models with Planck-compatible values of ns, moving down to the sweet spot in the data with decreasing value of r. On the formal side we present a new supersymmetric version of these models in the context of de Sitter supergravity with a nilpotent multiplet and volume modulus stabilization. The geometry of the nilpotent multiplet is evaluated in the framework of string theory.

Keywords

Cosmology of Theories beyond the SM D-branes Supergravity Models 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2019

Authors and Affiliations

  1. 1.Stanford Institute for Theoretical Physics and Department of PhysicsStanford UniversityStanfordU.S.A.

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