Rotating spacetime: black-bounces and quantum deformed black hole

TL;DR

This paper explores the properties of rotating versions of recently proposed deformed Schwarzschild spacetimes, revealing novel features in their horizons, singularities, and energy conditions, contributing to understanding quantum and classical modifications of black holes.

Contribution

It provides the first detailed analysis of rotating black-bounces and quantum deformed black hole spacetimes, highlighting their unique properties and solutions to Einstein's field equations.

Findings

Rotating spacetimes exhibit unique horizon and singularity structures.

Novel properties in energy conditions and stationary limit surfaces.

Exact solutions to Einstein's equations for these deformed metrics.

Abstract

Recently, two kinds of deformed schwarzschild spacetime have been proposed, which are the black-bounces metric (\cite{2019JCAP...02..042S,2021PhRvD.103h4052L}) and quantum deformed black hole (BH) (\cite{2021arXiv210202471B}). In present work, we investigate the rotating spacetime of these deformed Schwarzschild metric. They are exact solutions to the Einstein$'$s field equation. We analyzed the properties of these rotating spacetimes, such as event horizon (EH), stationary limit surface (SIS), structure of singularity ring, energy condition (EC), etc., and found that these rotating spacetime have some novel properties.