Computation of non-Gaussianity in loop quantum cosmology
General Relativity and Quantum Cosmology
2019-04-03 v1 Cosmology and Nongalactic Astrophysics
Abstract
We summarize our investigations of the second-order perturbations in loop quantum cosmology (LQC). We shall discuss, primarily, two aspects. Firstly, whether the second-order contributions arising from the cosmic bounce, occurring at Planck scale, could be large enough to break the validity of perturbation theory. Secondly, the implications of the upper bounds on primordial non-Gaussianity, arrived at by the Planck collaboration, on the LQC phenomenology.
Cite
@article{arxiv.1904.01075,
title = {Computation of non-Gaussianity in loop quantum cosmology},
author = {Vijayakumar Sreenath and Ivan Agullo and Boris Bolliet},
journal= {arXiv preprint arXiv:1904.01075},
year = {2019}
}
Comments
6 pages, 3 figures; to appear in the Proceedings of the Fifteenth Marcel Grossmann Meeting on General Relativity held at University of Rome "La Sapienza", Rome from July 1-7, 2018