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Spin-induced scalarization of Kerr black holes with a massive scalar field

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arxiv 2009.03774 v1 pith:IORFTFJR submitted 2020-09-07 gr-qc astro-ph.HEhep-th

Daniela D. Doneva , Lucas G. Collodel , Christian J. Krüger , Stoytcho S. Yazadjiev This is my paper · ORCID
classification gr-qcastro-ph.HEhep-th
keywords blackfieldscalarholekerrmassivescalarizationholes
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abstract

In the present paper we study the onset of the spin-induced scalarization of a Kerr black hole in scalar-Gauss-Bonnet gravity with a massive scalar field. Our approach is based on a (2+1) time evolution of the relevant linearized scalar field perturbation equation. We examine the region where the Kerr black hole becomes unstable giving rise to new scalarized rotating black holes with a massive scalar field. With increasing of the scalar field mass, the minimum value of the Gauss-Bonnet coupling parameter at which scalarization is possible, increases and thus the instability region shrinks. Interestingly, the introduction of scalar field mass does not change the critical minimal value of the black hole angular momentum $a_{\rm crit}/M$ where the instability of the Kerr black hole develops.

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Cited by 2 Pith papers

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

  1. Non-equatorial scalar rings supported by rapidly spinning Gauss-Bonnet black holes

    gr-qc 2024-12 reject novelty 6.0 of 10

    For Kerr spins above a critical threshold near 0.78, the most negative value of the Gauss-Bonnet invariant is reached at non-equatorial polar angles, which the author identifies as the location of supported massive sc...

  2. Scalarization of Bardeen spacetime

    gr-qc 2025-09 conditional novelty 5.0 of 10

    For scalarization of the full Bardeen spacetime, small magnetic charges give the usual smooth scalarization threshold, while large charges end in a 'frozen' horizonless scalarized state rather than a Bardeen black hole.

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