Cosmic Censorship in Quantum Einstein Gravity

TL;DR

This paper investigates how quantum gravity effects, specifically the running of Newton's constant, influence the formation and nature of singularities in gravitational collapse, suggesting a transition from classical to quantum-modified singularities.

Contribution

It introduces a quantum gravity modification to the Kuroda-Papapetrou model, analyzing the impact of antiscreening on singularity formation and character.

Findings

Quantum effects turn classical singularities into 'whimper' singularities

Naked singularities can remain visible for finite time due to quantum effects

Antiscreening influences the nature of gravitational collapse

Abstract

We study the quantum gravity modification of the Kuroda-Papapetrou model induced by the running of the Newton's constant at high energy in Quantum Einstein Gravity. We argue that although the antiscreening character of the gravitational interaction favours the formation of a naked singularity, quantum gravity effects turn the classical singularity into a "whimper" singularity which remains naked for a finite amount of advanced time.