Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity

This study addressed the scalar field quasinormal ringing behavior of black holes. We investigated scalar field perturbations in Bardeen black hole spacetime in 5-dimensional Einstein–Gauss–Bonnet (EGB) gravity. Using the sixth-order Padé approximation and the finite difference method, we computed t...

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Main Authors: Feng-Miao Ge, Bingyuan Wei
Format: Article
Language:English
Published: Wiley 2024-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2024/9936269
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author Feng-Miao Ge
Bingyuan Wei
author_facet Feng-Miao Ge
Bingyuan Wei
author_sort Feng-Miao Ge
collection DOAJ
description This study addressed the scalar field quasinormal ringing behavior of black holes. We investigated scalar field perturbations in Bardeen black hole spacetime in 5-dimensional Einstein–Gauss–Bonnet (EGB) gravity. Using the sixth-order Padé approximation and the finite difference method, we computed the frequency of quasinormal modes (QNMs) in the spacetime background. The calculations demonstrated that the real part of the QNMs ω increased, whereas the imaginary part decreased with increase in the magnetic charge parameter Q of the Bardeen black hole for a fixed Gauss–Bonnet parameter α. This was also valid when Q was fixed and α increased, where in the real part of the QNMs increased and the absolute value of the imaginary part decreased. However, the change in the latter case was more significant than that in the former; thus, the frequency of eigenvibration of this black hole background under the scalar field perturbation increased and the decay of eigenvibration decreased with increase in α or Q2. Moreover, this result shows that the effect of α on the intrinsic vibration of this black hole was greater than that of Q.
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spelling doaj-art-d016a1aff0334c809b2ea5cfc15e7f262025-02-03T10:24:55ZengWileyAdvances in High Energy Physics1687-73652024-01-01202410.1155/2024/9936269Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet GravityFeng-Miao Ge0Bingyuan Wei1School of Mathematics and PhysicsSchool of Mathematics and PhysicsThis study addressed the scalar field quasinormal ringing behavior of black holes. We investigated scalar field perturbations in Bardeen black hole spacetime in 5-dimensional Einstein–Gauss–Bonnet (EGB) gravity. Using the sixth-order Padé approximation and the finite difference method, we computed the frequency of quasinormal modes (QNMs) in the spacetime background. The calculations demonstrated that the real part of the QNMs ω increased, whereas the imaginary part decreased with increase in the magnetic charge parameter Q of the Bardeen black hole for a fixed Gauss–Bonnet parameter α. This was also valid when Q was fixed and α increased, where in the real part of the QNMs increased and the absolute value of the imaginary part decreased. However, the change in the latter case was more significant than that in the former; thus, the frequency of eigenvibration of this black hole background under the scalar field perturbation increased and the decay of eigenvibration decreased with increase in α or Q2. Moreover, this result shows that the effect of α on the intrinsic vibration of this black hole was greater than that of Q.http://dx.doi.org/10.1155/2024/9936269
spellingShingle Feng-Miao Ge
Bingyuan Wei
Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
Advances in High Energy Physics
title Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
title_full Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
title_fullStr Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
title_full_unstemmed Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
title_short Quasinormal Modes of Bardeen Black Hole in 5-Dimensional Gauss–Bonnet Gravity
title_sort quasinormal modes of bardeen black hole in 5 dimensional gauss bonnet gravity
url http://dx.doi.org/10.1155/2024/9936269
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