Inter-brane Interactions in Compact Spaces and Brane Inflation

Abstract

It was pointed out that brane-anti-brane inflation without warped geometry is not viable due to compactification effects (in the simplified scenario where the inflaton is decoupled from the compactification moduli). We show that the inflationary scenario with branes at a small angle in this simplified scenario remains viable. We also point out that brane-anti-brane inflation may still be viable under some special conditions. We also discuss a way to treat potentials in compact spaces that should be useful in the analysis of more realistic brane inflationary scenarios.

17 pages, 1 figure

References in corpus (4)

• de Sitter Vacua in String Theory
• Recombination of Intersecting D-Branes and Cosmological Inflation
• On the Initial Conditions for Brane Inflation
• Dilaton tadpoles and D-brane interactions in compact spaces

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• Stability of D1-Strings Inside a D3-Brane
• Scale-separated AdS${}_4$ vacua of IIA orientifolds and M-theory
• Cosmological Signatures of Superheavy Dark Matter
• Spontaneous Creation of Inflationary Universes and the Cosmic Landscape
• An Inflaton Mass Problem in String Inflation from Threshold Corrections to Volume Stabilization
• Inflation, String Theory and Cosmology
• Slow Roll in Brane Inflation
• Fluxbrane Inflation
• Warp factor and the gravitational wave spectrum
• Chaotic Brane Inflation
• D/antiD Dark Energy in String Warped Compactification