Primordial Non-Gaussianities from Inflation Models

Details Primordial Non-Gaussianities from Inflation Models Primordial Non-Gaussianities from Inflation Models

2010-02-08

arxiv.org/abs/1002.1416v3

Adv.Astron.2010:638979,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

84 pages, invited review for special issue of Advances in Astronomy on "Testing the Gaussianity and Statistical Isotropy of th

Scientific paper

10.1155/2010/638979

This is a pedagogical review on primordial non-Gaussianities from inflation models. We introduce formalisms and techniques that are used to compute such quantities. We review different mechanisms which can generate observable large non-Gaussianities during inflation, and distinctive signatures they leave on the non-Gaussian profiles. They are potentially powerful probes to the dynamics of inflation. We also provide a non-technical and qualitative summary of the main results and underlying physics.

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