Planck Scale Cosmology in Resummed Quantum Gravity

TL;DR

This paper applies resummation techniques to quantum gravity, providing predictions for the ultraviolet fixed points of gravitational constants and linking to Planck scale cosmology models.

Contribution

It introduces a resummation approach extending Yennie-Frautschi-Suura methods to Einstein's theory, offering quantum predictions for fixed points in gravity.

Findings

Predictions for UV fixed-point values of gravitational constants

Connections established with asymptotic safety models

Extension of resummation techniques to quantum gravity

Abstract

We show that, by using resummation techniques based on the extension of the methods of Yennie, Frautschi and Suura to Feynman's formulation of Einstein's theory, we get quantum field theoretic predictions for the UV fixed-point values of the dimensionless gravitational and cosmological constants. Connections to the phenomenological asymptotic safety analysis of Planck scale cosmology by Bonanno and Reuter are discussed.