Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole. / Li, Zhen.

In: Physics Letters B, Vol. 841, 137902, 10.06.2023.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Li, Z 2023, 'Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole', Physics Letters B, vol. 841, 137902. https://doi.org/10.1016/j.physletb.2023.137902

APA

Li, Z. (2023). Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole. Physics Letters B, 841, [137902]. https://doi.org/10.1016/j.physletb.2023.137902

Vancouver

Li Z. Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole. Physics Letters B. 2023 Jun 10;841. 137902. https://doi.org/10.1016/j.physletb.2023.137902

Author

Li, Zhen. / Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole. In: Physics Letters B. 2023 ; Vol. 841.

Bibtex

@article{11fbe9beb95b46bfa110cd3f6daf370a,
title = "Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole",
abstract = "The No Hair theorem in classical general relativity predicts that rotating black holes are specified by the Kerr metric, which is uniquely identified by the mass and spin. However, as a pioneering study beyond general relativity, the rotating hairy black hole has been proposed, which encompasses the Kerr black hole as a special case. In these black holes, there are extra hair which could appear due to the additional surrounding sources such as dark matter or dark energy. In this work, we study the phenomenology of the rotating hairy black hole in terms of gravitational perturbations. In particular, the superradiance and the quasinormal modes. Using the matching-asymptotic method, we derive the amplification factor and the superradiance conditions. We also calculate the quasinormal modes using the continued fraction method. The results are in very good agreement with previous studies in the Kerr limit. We also show how the amplification and quasinormal modes will shift in response to variations in the hairy parameters, black hole spin, and quantum numbers. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.",
keywords = "GENERAL-RELATIVITY, AMPLIFICATION, UNIQUENESS, EQUATIONS, SHADOW",
author = "Zhen Li",
year = "2023",
month = jun,
day = "10",
doi = "10.1016/j.physletb.2023.137902",
language = "English",
volume = "841",
journal = "Physics Letters B: Particle Physics, Nuclear Physics and Cosmology",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Superradiance and quasinormal modes of the gravitational perturbation around rotating hairy black hole

AU - Li, Zhen

PY - 2023/6/10

Y1 - 2023/6/10

N2 - The No Hair theorem in classical general relativity predicts that rotating black holes are specified by the Kerr metric, which is uniquely identified by the mass and spin. However, as a pioneering study beyond general relativity, the rotating hairy black hole has been proposed, which encompasses the Kerr black hole as a special case. In these black holes, there are extra hair which could appear due to the additional surrounding sources such as dark matter or dark energy. In this work, we study the phenomenology of the rotating hairy black hole in terms of gravitational perturbations. In particular, the superradiance and the quasinormal modes. Using the matching-asymptotic method, we derive the amplification factor and the superradiance conditions. We also calculate the quasinormal modes using the continued fraction method. The results are in very good agreement with previous studies in the Kerr limit. We also show how the amplification and quasinormal modes will shift in response to variations in the hairy parameters, black hole spin, and quantum numbers. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

AB - The No Hair theorem in classical general relativity predicts that rotating black holes are specified by the Kerr metric, which is uniquely identified by the mass and spin. However, as a pioneering study beyond general relativity, the rotating hairy black hole has been proposed, which encompasses the Kerr black hole as a special case. In these black holes, there are extra hair which could appear due to the additional surrounding sources such as dark matter or dark energy. In this work, we study the phenomenology of the rotating hairy black hole in terms of gravitational perturbations. In particular, the superradiance and the quasinormal modes. Using the matching-asymptotic method, we derive the amplification factor and the superradiance conditions. We also calculate the quasinormal modes using the continued fraction method. The results are in very good agreement with previous studies in the Kerr limit. We also show how the amplification and quasinormal modes will shift in response to variations in the hairy parameters, black hole spin, and quantum numbers. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

KW - GENERAL-RELATIVITY

KW - AMPLIFICATION

KW - UNIQUENESS

KW - EQUATIONS

KW - SHADOW

U2 - 10.1016/j.physletb.2023.137902

DO - 10.1016/j.physletb.2023.137902

M3 - Journal article

VL - 841

JO - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

JF - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

SN - 0370-2693

M1 - 137902

ER -

ID: 346954740