Slow roll in brane inflation

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21 Scopus citations

Abstract

We address the issue of slow roll in string theory models of inflation. Using a Kähler transformation and results from the D3-D7 model, we show why we expect flat directions to be present and slow roll to be possible in general. We connect with earlier discussions of shift symmetry for T 6/Z2 and K3 × T2/Z2 compactifications. We also collect various contributions to the inflationary potential and discuss their importance for slow roll. We include a few simple checks of the form of the Kähler potential on T6/Z2 using T-duality.

Original languageEnglish (US)
Pages (from-to)247-265
Number of pages19
JournalJournal of Cosmology and Astroparticle Physics
Issue number4
DOIs
StatePublished - Apr 1 2005

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

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