Early Universe Sources for Cosmic Microwave Background Non-Gaussianity

Details Early Universe Sources for Cosmic Microwave Background Non-Gaussianity Early Universe Sources for Cosmic Microwave Background Non-Gaussianity

2003-02-19

arxiv.org/abs/astro-ph/0302396v1

Astronomy and Astrophysics

Astrophysics

Contribution to the "Fifth Alexander Friedmann International Seminar on Gravitation and Cosmology", Joao Pessoa, Brazil, 2002

Scientific paper

In the framework of inflationary models with non-vacuum initial states for
cosmological perturbations, we study non-Gaussian signatures on the cosmic
microwave background radiation produced by a broken-scale-invariant model which
incorporates a feature at a privileged scale in the primordial power spectrum.

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