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arXiv · 2002.12031

Five dimensional rotating regular black holes and shadow

Fazlay Ahmed·Dharm Veer Singh·Sushant G. Ghosh
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Abstract

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

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Fazlay Ahmed, Dharm Veer Singh, Sushant G. Ghosh. 2020-02-27. Five dimensional rotating regular black holes and shadow. https://doi.org/10.1007/s10714-022-02906-7

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