Newman-Janis Algorithm from Taub-NUT Instantons

Published 27 Dec 2024 in gr-qc and hep-th | (2412.19611v1)

Abstract: We explicitly establish that the Kerr metric represents a pair of self-dual and anti-self-dual gravitational dyons (Taub-NUT instantons). We show that the Newman-Janis algorithm precisely originates from this fact. More generally, this program of understanding four-dimensional black holes as systems of chiral dyons extends to Kerr-Newman and Kerr-Taub-NUT solutions as well.

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Joon-Hwi Kim

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