Natural Milli-Charged Inflation
High Energy Physics - Phenomenology
2015-06-03 v1 High Energy Physics - Theory
Abstract
We construct a natural inflation model with the inflaton as a linear combination of the fifth components of Abelian gauge fields in a five-dimensional theory. A seesaw mechanism is introduced to provide a natural milli-charge for matter fields under one combination of the gauge symmetries. As a result, the effective decay constant of the inflaton field can be above the Planck scale with all scales in the model below the Planck scale. Our model predicts a tensor-to-scalar ratio r between 0.033 and 0.125 for sixty e-folds and a reheating temperature of a few 10^11 GeV.
Cite
@article{arxiv.1405.6720,
title = {Natural Milli-Charged Inflation},
author = {Yang Bai and Ben A. Stefanek},
journal= {arXiv preprint arXiv:1405.6720},
year = {2015}
}
Comments
5 pages, 3 figures