Curvaton decay into relativistic matter
Cosmology and Nongalactic Astrophysics
2010-05-12 v1 High Energy Physics - Phenomenology
Abstract
We consider an inflationary curvaton scenario, where the curvaton decays into two non-interacting relativistic fluids and later during the cosmological evolution one of them becomes non-relativistic, forming dark matter component of the universe. We study the thermic properties and the generation of non-gaussianity in this three fluid curvaton model. By solving the evolution of the system and using several cosmological conditions we find that the allowed parameter space is strongly constrained. The naturalness of this curvaton scenario is also discussed.
Cite
@article{arxiv.0912.3394,
title = {Curvaton decay into relativistic matter},
author = {Jani Sainio and Iiro Vilja},
journal= {arXiv preprint arXiv:0912.3394},
year = {2010}
}
Comments
10 pages, 3 figures