Superpositions of the cosmological constant allow for singularity resolution and unitary evolution in quantum cosmology
General Relativity and Quantum Cosmology
2018-08-15 v2
Abstract
A novel approach to quantization is shown to allow for superpositions of the cosmological constant in isotropic and homogeneous mini-superspace models. Generic solutions featuring such superpositions display unitary evolution and resolution of the classical singularity. Physically well-motivated cosmological solutions are constructed. These particular solutions exhibit characteristic features of a cosmic bounce including universal phenomenology that can be rendered insensitive to Planck-scale physics in a natural manner.
Keywords
Cite
@article{arxiv.1801.05782,
title = {Superpositions of the cosmological constant allow for singularity resolution and unitary evolution in quantum cosmology},
author = {Sean Gryb and Karim P. Y. Thébault},
journal= {arXiv preprint arXiv:1801.05782},
year = {2018}
}
Comments
Version accepted to Physics Letters B. Minor revisions, clarifications added. 7 pages, 3 figures