Exposition to Staggered Multi-Field Inflation

Details Exposition to Staggered Multi-Field Inflation Exposition to Staggered Multi-Field Inflation

2008-09-18

arxiv.org/abs/0809.3242v1

Nucl.Phys.Proc.Suppl.192-193:128-129,2009

Astronomy and Astrophysics

Astrophysics

4 pages, proceedings for work presented at COSMO08 and Cargese08

Scientific paper

10.1016/j.nuclphysbps.2009.07.05

I investigate multi-field inflationary models with fields that decay during inflation, leading to staggered inflation. This feature is natural in many models motivated by string theory, for instance if inflatons are related to interbrane distances and the branes start to annihilate during inflation. A short exposition to an analytic framework is provided, enabling the computation of leading order corrections to observables, i.e. the scalar spectral index.

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