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Polish Doughnuts around Scalarized Kerr Black Holes

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arxiv 2108.08640 v1 pith:5ZE5F2LR submitted 2021-08-19 gr-qc

Polish Doughnuts around Scalarized Kerr Black Holes

Matheus C. Teodoro , Lucas G. Collodel , Daniela Doneva , Jutta Kunz , Petya Nedkova , Stoytcho Yazadjiev This is my paper
classification gr-qc
keywords blackholeskbhsshkerrtoriaroundconfigurationsdoughnuts
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In this work we aim to investigate non-mainstream thick tori configurations around Kerr Black Holes with Scalar Hair (KBHsSH). For that goal, we provide a first approach using constant specific angular momentum non-self-gravitating Polish doughnuts. Through a series of examples, we show the feasibility of new topologies, such as double-centered tori with two cusps as well as similar structures as the ones found for rotating Boson Stars (BSs), namely tori endowed with two centers and a single cusp. These KBHsSH' solutions are also shown to possibly house static surfaces, associated to the static rings present in these spacetimes. Through this report we highlight the differences between these fluid configurations when housed by some KBHsSH examples, standard Kerr black holes and rotating BSs.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Topological charge and black hole photon spheres in massive gravity

    gr-qc 2025-09 unverdicted novelty 7.0

    In dRGT massive gravity, static spherically symmetric black holes exhibit zero, one, or two photon spheres whose topological charges and stability patterns differ from Einstein gravity and from horizonless compact objects.

  2. Twisted doughnuts: Thick disk torus around equatorial asymmetric black hole

    gr-qc 2026-04 unverdicted novelty 6.0

    Equatorial asymmetry in black hole spacetimes twists thick tori, displacing their centers and cusps away from the equatorial plane in the same direction as Keplerian orbits.