The Curvaton Scenario for the Origin of Large-scale Structure

Details The Curvaton Scenario for the Origin of Large-scale Structure The Curvaton Scenario for the Origin of Large-scale Structure

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nuphs.148...16w&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 148, p. 16-24.

Physics

Nuclear Physics

1

Scientific paper

I discuss the curvaton scenario for the origin of large-scale structure in our universe. In this model, the primordial density perturbation arises from quantum vacuum fluctuations in a light scalar field during inflation. Spatial variations in the curvaton density are then transfered to the radiation density when the curvaton decays some time after inflation. I discuss how this curvaton scenario might be observationally distinguished from the conventional inflaton scenario.

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