The overshoot problem and giant structures

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Abstract

Models of small-field inflation often suffer from the overshoot problem. A particularly efficient resolution to the problem was proposed recently in the context of string theory. We show that this resolution predicts the existence of giant spherically symmetric overdense regions with radius of at least 110 Mpc. We argue that if such structures will be found they could offer an experimental window into string theory.

Original languageEnglish
Article number061
JournalJournal of High Energy Physics
Volume2008
Issue number10
DOIs
StatePublished - 1 Oct 2008

Keywords

  • Cosmology of theories beyond the SM
  • Flux compactifications

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