# Destroying a near-extremal Kerr-Newman-AdS black hole

## TL;DR

This paper investigates whether a near-extremal Kerr-Newman-AdS black hole can be destroyed by test particles, suggesting that including radiative and self-force effects is crucial to uphold cosmic censorship.

## Contribution

It highlights the importance of radiative and self-force effects in preventing horizon destruction in Kerr-Newman-AdS black holes, proposing a potential resolution to weak cosmic censorship violations.

## Key findings

- Feeding test particles can destroy the event horizon without additional effects
- Radiative and self-force effects are necessary to prevent horizon destruction
- Narrow parameter range for test particles limits horizon destruction scenarios

## Abstract

If radiative and self-force effects are neglected, we find that feeding a test particle into a near-extremal Kerr-Newman-AdS black hole could lead to destroy their event horizon, giving rise to naked singularities. Hence radiative and self-force effects must be taken into account to further test cosmic censorship. Moreover, the allowed parameter range for this test particle is very narrow, this leaves the possibility of radiative and self-force effects considerations to cure the problem of WCC violation in Kerr-Newman-AdS spacetime.