Comment on "Greybody radiation and quasinormal modes of Kerr-like black hole in Bumblebee gravity model"

TL;DR

This paper critically examines a recent study on Kerr-like black holes in Bumblebee gravity, revealing that its core results are based on an incorrect solution from prior work, thus questioning its conclusions.

Contribution

It clarifies the inaccuracies in the previous Kerr-like black hole solution used in the study, emphasizing the importance of correct foundational results in gravitational research.

Findings

Identifies errors in the Kerr-like black hole solution

Highlights the impact of incorrect solutions on greybody radiation and quasinormal modes analysis

Underscores the need for accurate models in modified gravity theories

Abstract

It is shown that the paper "Greybody radiation and quasinormal modes of Kerr-like black hole in Bumblebee gravity model", Eur. Phys. J. C 81, 501 (2021). arXiv:2102.06303, recently published in this journal is based on an incorrect result obtained by Ding et al., Eur. Phys. J. C 80, 178 (2020). arXiv:1910.02674, for a Kerr-like black hole solution.