Inflation Models in Supergravity with a Running Spectral Index

Details Inflation Models in Supergravity with a Running Spectral Index Inflation Models in Supergravity with a Running Spectral Index

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005pasc.conf...63y&link_type=abstract

PASCOS 2004 Part I: Particles, Strings and Cosmology* Part II: Themes in Unification -- The Pran Nath Festschrift†. *,†Proceedin

Physics

Scientific paper

The first year Wilkinson Microwave Anisotropy Probe data favors primordial adiabatic fluctuation with a running spectral index with ns > 1 on a large scale and ns < 1 on a smaller scale. The model building of inflation that predicts perturbations with such a spectrum is a challenge. We give sensible particle physics models in supergravity that accommodate the desired running of the spectral index and discuss a method to discriminate those models.

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