Non-Gaussianity after BICEP2
Cosmology and Nongalactic Astrophysics
2014-09-19 v2 High Energy Physics - Theory
Abstract
We analyze primordial non-Gaussianity in single field inflationary models when the tensor/scalar ratio is large. Our results show that detectable levels of non-Gaussianity are still possible in the simplest class of models described by the effective theory of inflation. However, the shape is very tightly constrained, making a sharp prediction that could be confirmed or falsified by a future detection of non-Gaussianity.
Cite
@article{arxiv.1404.6478,
title = {Non-Gaussianity after BICEP2},
author = {Guido D'Amico and Matthew Kleban},
journal= {arXiv preprint arXiv:1404.6478},
year = {2014}
}
Comments
5 pages, 2 figures. References and minor clarifications added. Version published in Phys. Rev. Lett