Pure Gravitational Back-Reaction Observables
General Relativity and Quantum Cosmology
2015-06-16 v1 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
After discussing the various issues regarding and requirements on pure quantum gravitational observables in homogeneous-isotropic conditions, we construct a composite operator observable satisfying most of them. We also expand it to first order in the loop counting parameter and suggest it as a physical quantifier of gravitational back-reaction in an initially inflating cosmology.
Keywords
Cite
@article{arxiv.1306.6441,
title = {Pure Gravitational Back-Reaction Observables},
author = {N. C. Tsamis and R. P. Woodard},
journal= {arXiv preprint arXiv:1306.6441},
year = {2015}
}
Comments
15 pages, uses LaTeX2e