Constraints on scale-dependent non-Gaussianity

Details Constraints on scale-dependent non-Gaussianity Constraints on scale-dependent non-Gaussianity

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..957..437s&link_type=abstract

PARTICLES, STRINGS, AND COSMOLOGY: 13th International Symposium on Particles, Strings, and Cosmology-PASCOS 2007. AIP Conferenc

Physics

Background Radiations, Origin And Formation Of The Universe, String And Brane Phenomenology

Scientific paper

We review why detection of non-Gaussianity in the spectrum of primordial fluctuations would be an indication of interesting inflationary physics and discuss the observational constraints on a simple type of scale-dependent non-Gaussianity. In particular, if the amount non-Gaussianity increases during inflation then observations on scales smaller than those probed by the Cosmic Microwave Background may provide important constraints. Clusters number counts can be a useful tool in this context.

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