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Running Spectral Index in Noncommutative Inflation and WMAP Three Year Results

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arxiv astro-ph/0603782 v2 pith:6IVT3BPG submitted 2006-03-29 astro-ph hep-th

Running Spectral Index in Noncommutative Inflation and WMAP Three Year Results

classification astro-ph hep-th
keywords inflationnoncommutativeindexmodelsresultsrunningsomespectral
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A model independent analysis shows that the running of the spectral index of the three year WMAP results can be nicely realized in noncommutative inflation. We also re-examine some concrete noncommutative inflation models. We find that a large tensor-scalar ratio is required, corresponding to a low number of e-folds before the end of inflation in some simple models.

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  1. Precision Inflationary Predictions: Impact of Accurate End-of-Inflation Dynamics

    astro-ph.CO 2024-07 unverdicted novelty 6.0

    Improved end-of-inflation dynamics shift the Starobinsky model's predicted spectral index n_s by up to 1.2×10^{-3} within the allowed reheating range.