Viability of quantum-gravity induced ultraviolet completions for matter
Abstract
We highlight how the existence of an ultraviolet completion for interacting Standard-Model type matter puts constraints on the viable microscopic dynamics of asymptotically safe quantum gravity within truncated Renormalization Group flows. A first constraint -- the weak-gravity bound -- is rooted in the destruction of quantum scale-invariance in the matter system by strong quantum-gravity fluctuations. A second constraint arises by linking Planck-scale dynamics to the dynamics at the electroweak scale. Specifically, we delineate how to extract a prediction of the top quark mass from asymptotically safe gravity and stress that a finite top mass could be difficult to accommodate in a significant part of the gravitational coupling space.
Keywords
Cite
@article{arxiv.1705.02342,
title = {Viability of quantum-gravity induced ultraviolet completions for matter},
author = {Astrid Eichhorn and Aaron Held},
journal= {arXiv preprint arXiv:1705.02342},
year = {2017}
}
Comments
version identical with published one; small changes (slight numerical changes in Tab. 1, modified plot range in Fig. 18, some sentences added/changed), conclusions remain unchanged