Exact renormalization group with optimal scale and its application to cosmology
General Relativity and Quantum Cosmology
2016-03-17 v3 High Energy Physics - Theory
Abstract
Assuming an effective gravitational action with scale dependent coupling constants, a consistency condition for the local form of the cut-off scale is derived. The approach is applied to homogeneous cosmology and running couplings with an ultraviolet fixed point. Within the given approach this allows to derive bounds on the value of the fixed point.
Cite
@article{arxiv.1010.2799,
title = {Exact renormalization group with optimal scale and its application to cosmology},
author = {Benjamin Koch and Israel Ramirez},
journal= {arXiv preprint arXiv:1010.2799},
year = {2016}
}
Comments
11 pages, 3 figures