English

Five dimensional rotating regular black holes and shadow

General Relativity and Quantum Cosmology 2022-06-02 v1

Abstract

We present an exact five-dimensional (5D5D) rotating regular black hole metric, with a deviation parameter k0k\geq 0, that interpolates between the 5D5D Kerr black hole (k=0k=0) and 5D5D Kerr-Newman (rkr \gg k). This 5D5D rotating regular black hole is an exact solution of general relativity coupled to nonlinear electrodynamics. Interestingly, for a given value of parameter kk there exits a critical angular momentum a=aEa=a_E which corresponds to extremal rotating regular black hole with degenerate horizons, while for a<aEa<a_E, one has non-extremal rotating regular black hole with outer and inner horizons. Owing to the correction factor (ek/r2e^{-k/r^2}), which is motivated by the quantum arguments, the ergoregion and black hole shadow are modified.

Keywords

Cite

@article{arxiv.2002.12031,
  title  = {Five dimensional rotating regular black holes and shadow},
  author = {Fazlay Ahmed and Dharm Veer Singh and Sushant G. Ghosh},
  journal= {arXiv preprint arXiv:2002.12031},
  year   = {2022}
}

Comments

23 pages, 9 figures

R2 v1 2026-06-23T13:55:54.021Z