Quasinormal frequencies of gravitational perturbation in regular black hole spacetimes

doi:10.1140/epjc/s10052-018-5764-6

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	Quasinormal frequencies of gravitational perturbation in regular black hole spacetimes
	Wu, C
	2018
Source Publication	EUROPEAN PHYSICAL JOURNAL C
ISSN	1434-6044
Volume	78 Issue:4 Pages:-
Subtype	期刊论文
Abstract	The quasinormal frequencies of gravitational perturbation around some well-known regular black holes were investigated in this work. We consider complete perturbations of the energy-momentum tensor of electromagnetic part for non-linear electrodynamics and gravitational field. By using the WKB approximation and the asymptotic iteration method, we make a detailed analysis of the gravitational QNM frequencies by varying the characteristic parameters of the gravitational perturbation and the space-time charge parameters of the regular black holes. It is found that the imaginary part of quasinormal modes as a function of the charge parameter has different monotonic behaviors for different black hole spacetimes. Moreover, the asymptotic expressions of gravitational QNMs for l >> 1 are obtained by using the eikonal limit method. We demonstrate that the gravitational perturbation is stable in all these spacetimes.
Keyword	Normal-modes Nonlinear Electrodynamics Electromagnetic-radiation General-relativity Higher Dimensions Stability Equations Scalar Field
DOI	10.1140/epjc/s10052-018-5764-6
Indexed By	SCI
Language	英语
WOS ID	WOS:000429141800001
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/29118
Collection	中科院上海应用物理研究所2011-2018年
Affiliation	Wu, C
Recommended Citation GB/T 7714	Wu, C. Quasinormal frequencies of gravitational perturbation in regular black hole spacetimes[J]. EUROPEAN PHYSICAL JOURNAL C,2018,78(4):-.
APA	Wu, C.(2018).Quasinormal frequencies of gravitational perturbation in regular black hole spacetimes.EUROPEAN PHYSICAL JOURNAL C,78(4),-.
MLA	Wu, C."Quasinormal frequencies of gravitational perturbation in regular black hole spacetimes".EUROPEAN PHYSICAL JOURNAL C 78.4(2018):-.

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