Background-free propagation in loop quantum gravity
General Relativity and Quantum Cosmology
2008-11-20 v2 High Energy Physics - Theory
Abstract
I review the definition of n-point functions in loop quantum gravity, discussing what has been done and what are the main open issues. Particular attention is dedicated to gauge aspects and renormalization.
Keywords
Cite
@article{arxiv.0810.1978,
title = {Background-free propagation in loop quantum gravity},
author = {Simone Speziale},
journal= {arXiv preprint arXiv:0810.1978},
year = {2008}
}
Comments
Invited contribution to a special issue of Advanced Science Letters edited by Martin Bojowald. 14 pages. v2 minor corrections