Curvaton with Polynomial Potential
High Energy Physics - Theory
2011-02-07 v2 Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
In general a weakly self-interacting curvaton field is expected and the curvaton potential takes the polynomial form. The curvaton potential can be dominated by the self-interaction term during the period of inflation if the curvaton field stays at a large vacuum expectation value. We use the formalism to calculate the primordial curvature perturbation in the various possible scenarios which make the curvaton model much richer.
Cite
@article{arxiv.0808.1793,
title = {Curvaton with Polynomial Potential},
author = {Qing-Guo Huang},
journal= {arXiv preprint arXiv:0808.1793},
year = {2011}
}
Comments
18 pages; a mistake in sec.2.2.2 corrected, enhancement of $g_{NL}$ in the mixed scenarion discussed, version for publication in JCAP