Pure Gauss-Bonnet NUT Black Hole Solution: I

Abstract

We find a new exact $\Lambda$-vacuum solution in pure Gauss-Bonnet gravity with NUT charge in six dimension with horizon having product topology $S^{(2)}\times S^{(2)}$. We also discuss its horizon and singularity structure, and consequently arrive at a parameter window for its physical viability. It should be noted that all NUT black hole solutions in higher dimensions have product, instead of spherical, topology. We prove, in general, that it is because of the radial symmetry of the NUT spacetime; i.e. in higher dimensions NUT spacetime cannot maintain radial symmetry unless horizon has $S^{(2)}$ or its product topology. On the way we also prove a general result for spherical symmetry that when null energy condition is satisfied, one has then only to solve a first order equation to get a vacuum or $\Lambda$-vacuum solution.

arXiv comment19 pages, 5 figures, Published in: Eur.Phys.J.C

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Cited by in corpus (3)

• Exact Solutions in Higher-Dimensional Lovelock and $Ad{S}_5$ Chern-Simons Gravity
• Pure Gauss-Bonnet NUT Black Hole Solution: II
• Pure Gauss-Bonnet NUT black hole with and without non-central singularity