Scalar quasinormal modes of nonlinear charged black holes in Rastall gravity (2019)
- Authors:
- Autor USP: QIAN, WEILIANG - EEL
- Unidade: EEL
- DOI: 10.1209/0295-5075/128/50006
- Assunto: BURACOS NEGROS
- Agências de fomento:
- Language: Inglês
- Abstract: In this paper, the scalar quasinormal modes of nonlinear charged black hole metrics in Rastall gravity is investigated. The electromagnetic tensor presented in the background spacetime possesses a power-law form, and the system is assumed to be surrounded by a quintessence field. By utilizing the recently obtained analytic form of the metric, the quasinormal frequencies are obtained via the matrix method. The numerical values have been further compared against those evaluated by using the WKB approximation up to thirteenth order. Also, the finite difference method is utilized to study the temporal evolution of the scalar perturbations. In terms of calculations carried out for both massless and massive scalar fields, we discuss the properties of the resultant quasinormal frequencies, as well as their dependences on the model parameters describing the background black hole. To be specific, the effect of the electric charge, mass of the scalar field, and equation of state of the quintessence are examined. Besides, the quasinormal frequencies associated with an extremal black hole regarding the Nariai limit is explored, where the obtained results are found to be consistent with theoretical arguments. The black hole metric is found to be stable against scalar perturbations, in the presence of both linear and nonlinear electromagnetic fields.
- Imprenta:
- Source:
- Título: Epl (europhysics letters)
- ISSN: 12864854
- Volume/Número/Paginação/Ano: v.128,n.5, p.50006-, 2019
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
HU, YU et al. Scalar quasinormal modes of nonlinear charged black holes in Rastall gravity. Epl (europhysics letters), v. 128, n. 5, p. 50006-, 2019Tradução . . Disponível em: https://doi.org/10.1209/0295-5075/128/50006. Acesso em: 26 nov. 2025. -
APA
HU, Y. U., Shao, C. -Y., TAN, Y. U. -J. I. E., Shao, C. -G., Lin, K., & QIAN, W. -liang. (2019). Scalar quasinormal modes of nonlinear charged black holes in Rastall gravity. Epl (europhysics letters), 128(5), 50006-. doi:10.1209/0295-5075/128/50006 -
NLM
HU YU, Shao C-Y, TAN YU-JIE, Shao C-G, Lin K, QIAN W-liang. Scalar quasinormal modes of nonlinear charged black holes in Rastall gravity [Internet]. Epl (europhysics letters). 2019 ;128(5): 50006-.[citado 2025 nov. 26 ] Available from: https://doi.org/10.1209/0295-5075/128/50006 -
Vancouver
HU YU, Shao C-Y, TAN YU-JIE, Shao C-G, Lin K, QIAN W-liang. Scalar quasinormal modes of nonlinear charged black holes in Rastall gravity [Internet]. Epl (europhysics letters). 2019 ;128(5): 50006-.[citado 2025 nov. 26 ] Available from: https://doi.org/10.1209/0295-5075/128/50006 - Alternative mechanism for black hole echoes
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Informações sobre o DOI: 10.1209/0295-5075/128/50006 (Fonte: oaDOI API)
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