Curvature Perturbations from Broken Symmetries
Astrophysics
2014-10-13 v1 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
We present a new general mechanism to generate curvature perturbations after the end of the slow-roll phase of inflation. Our model is based on the simple assumption that the potential driving inflation is characterized by an underlying global symmetry which is slightly broken.
Keywords
Cite
@article{arxiv.astro-ph/0410546,
title = {Curvature Perturbations from Broken Symmetries},
author = {Edward W. Kolb and Antonio Riotto and Alberto Vallinotto},
journal= {arXiv preprint arXiv:astro-ph/0410546},
year = {2014}
}
Comments
13 pages, 4 figures