Does Gravity's Rainbow induce Inflation without an Inflaton?
General Relativity and Quantum Cosmology
2014-08-21 v2 High Energy Physics - Theory
Abstract
We study aspects of quantum cosmology in the presence of a modified space-time geometry. In particular, within the context of Gravity's Rainbow modified geometry, motivated from quantum gravity corrections at the Planck energy scale, we show that the distortion of the metric leads to a Wheeler-De Witt equation whose solution admits outgoing plane waves. Hence, a period of cosmological inflation may arise without the need for introducing an inflaton field.
Cite
@article{arxiv.1212.4987,
title = {Does Gravity's Rainbow induce Inflation without an Inflaton?},
author = {Remo Garattini and Mairi Sakellariadou},
journal= {arXiv preprint arXiv:1212.4987},
year = {2014}
}
Comments
Published In Phys. Rev. D. Revised version with major modifications about Gravity's Rainbow functions. RevTeX, 13 Pages