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Binary black hole system at equilibrium

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arxiv 2104.07686 v2 pith:3GBXR555 submitted 2021-04-15 gr-qc astro-ph.HEhep-th

Marco Astorino , Adriano Viganò This is my paper · ORCID
classification gr-qcastro-ph.HEhep-th
keywords blackequilibriumholesolutionsystemanalysedanalyticalbalance
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An exact and analytical solution of four dimensional vacuum General Relativity representing a system of two static black holes at equilibrium is presented. The metric is completely regular outside the event horizons, both from curvature and conical singularities. The balance between the two Schwarzschild sources is granted by an external gravitational field, without the need of extra matter fields besides gravity, nor strings or struts. The geometry of the solution is analysed. The Smarr law, the first and the second law of black hole thermodynamics are discussed.

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Cited by 1 Pith paper

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  1. Spinning generalizations of Majumdar-Papapetrou multi-black hole spacetimes: light rings, lensing and shadows

    gr-qc 2025-02 conditional novelty 6.0 of 10

    For the Teo-Wan two-black-hole spacetime, light rings merge and annihilate in pairs, giving total counts of 4, 6, or 8, and the shadows mimic double-Kerr.

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