On fixed points of quantum gravity
High Energy Physics - Theory
2009-11-11 v1
Abstract
We study the short distance behaviour of euclidean quantum gravity in the light of Weinberg's asymptotic safety scenario. Implications of a non-trivial ultraviolet fixed point are reviewed. Based on an optimised renormalisation group, we provide analytical flow equations in the Einstein-Hilbert truncation. A non-trivial ultraviolet fixed point is found for arbitrary dimension. We discuss a bifurcation pattern in the spectrum of eigenvalues at criticality, and the large dimensional limit of quantum gravity. Implications for quantum gravity in higher dimensions are indicated.
Cite
@article{arxiv.hep-th/0606044,
title = {On fixed points of quantum gravity},
author = {Daniel F. Litim},
journal= {arXiv preprint arXiv:hep-th/0606044},
year = {2009}
}
Comments
Long contribution, presented at 28th Spanish Relativity Meeting (ERE05): A Century of Relativity Physics, Oviedo, Asturias, Spain, 6-10 Sep 2005