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General Relativity and Quantum Cosmology

arXiv:2111.06273 (gr-qc)
[Submitted on 11 Nov 2021 (v1), last revised 4 Feb 2022 (this version, v2)]

Title:Quasinormal modes of charged black holes with corrections from nonlinear electrodynamics

Authors:Kimihiro Nomura, Daisuke Yoshida
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Abstract:We study quasinormal modes related to gravitational and electromagnetic perturbations of spherically symmetric charged black holes in nonlinear electrodynamics. Beyond the linear Maxwell electrodynamics, we consider a class of Lagrangian with higher-order corrections written by the electromagnetic field strength and its Hodge dual with arbitrary coefficients, and we parametrize the corrections for quasinormal frequencies in terms of the coefficients. It is confirmed that the isospectrality of quasinormal modes under parity is generally violated due to nonlinear electrodynamics. As applications, the corrections for quasinormal frequencies in Euler-Heisenberg and Born-Infeld electrodynamics are calculated, then it is clarified that the nonlinear effects act to lengthen the oscillation period and enhance the damping rate of the quasinormal modes.
Comments: 21 pages, 5 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
Report number: KOBE-COSMO-21-16
Cite as: arXiv:2111.06273 [gr-qc]
  (or arXiv:2111.06273v2 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.2111.06273
Journal reference: Phys. Rev. D 105, 044006 (2022)
Related DOI: https://doi.org/10.1103/PhysRevD.105.044006

Submission history

From: Kimihiro Nomura [view email]
[v1] Thu, 11 Nov 2021 15:32:15 UTC (2,154 KB)
[v2] Fri, 4 Feb 2022 03:14:45 UTC (1,063 KB)
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