Non-standard kinetic term as a natural source of non-Gaussianity
High Energy Physics - Phenomenology
2009-11-13 v2 Astrophysics
High Energy Physics - Theory
Abstract
We consider reheating after inflation with a non-standard kinetic term. We show that the difference in the kinetic term in different Hubble patches inherited from the long-wavelength moduli inhomogeneities may generate a significant level of non-Gaussianity after inflation.
Keywords
Cite
@article{arxiv.0810.3291,
title = {Non-standard kinetic term as a natural source of non-Gaussianity},
author = {Tomohiro Matsuda},
journal= {arXiv preprint arXiv:0810.3291},
year = {2009}
}
Comments
11pages, no figure, latex2e, added references, to appear in JHEP