Dynamics of Charged and Rotating NUT Black Holes in Rastall Gravity

TL;DR

This paper explores the effects of NUT and Rastall parameters on the dynamics of charged, rotating black holes in Rastall gravity, including horizons, ergosurfaces, thermodynamics, and orbital properties.

Contribution

It generalizes the Kerr-Newman-NUT black hole solution in Rastall gravity and analyzes how NUT and Rastall parameters influence black hole dynamics.

Findings

NUT and Rastall parameters significantly affect event horizons and ergosurfaces.

The parameters alter thermodynamic properties and stability of orbits.

New insights into black hole behavior in Rastall gravity are provided.

Abstract

In this work, we generalized the Kerr-Newman-NUT black hole solution in Rastall gravity from Ref. 1. Here we are more focused on the black hole dynamics such as the event horizons, ergosurface, ZAMO, thermodynamic properties, and the equatorial circular orbit around the black hole such as static radius limit, null equatorial circular orbit, and innermost stable circular orbit. We present how the NUT and Rastall parameter affects the dynamic of the black hole.