Asymptotical quasinormal mode spectrum for piecewise approximate effective potential. (2021)
- Authors:
- Autor USP: QIAN, WEILIANG - EEL
- Unidade: EEL
- DOI: 10.1103/PhysRevD.103.024019
- Subjects: GRAVIDADE; COSMOLOGIA; ASTROFÍSICA
- Agências de fomento:
- Language: Inglês
- Abstract: It was pointed out that the black hole quasinormal modes resulting from a piecewise approximate potential are drastically distinct from those pertaining to the original black hole metric. In particular, instead of lining up parallel to the imaginary axis, the spectrum is found to stretch out along the real axis. In this work, we prove that if there is a single discontinuity in the effective potential, no matter how insignificant it is, the asymptotic behavior of the quasinormal modes will be appreciably modified. Besides showing numerical evidence, we give analytical derivations to support the above assertion even when the discontinuity is located significantly further away from the maximum of the potential and/or the size of the step is arbitrarily small. Moreover, we discuss the astrophysical significance of the potential implications in terms of the present findings.
- Imprenta:
- Source:
- Título: PHYSICAL REVIEW D
- ISSN: 1550-2368
- Volume/Número/Paginação/Ano: v. 103, 16 p.
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: green
-
ABNT
QIAN, Wei-Liang et al. Asymptotical quasinormal mode spectrum for piecewise approximate effective potential. PHYSICAL REVIEW D, v. 103, p. 16 , 2021Tradução . . Disponível em: https://doi.org/10.1103/PhysRevD.103.024019. Acesso em: 30 dez. 2025. -
APA
Qian, W. -L., Lin, K., Shao, C. -Y., Wang, B., & Yue, R. -H. (2021). Asymptotical quasinormal mode spectrum for piecewise approximate effective potential. PHYSICAL REVIEW D, 103, 16 . doi:10.1103/PhysRevD.103.024019 -
NLM
Qian W-L, Lin K, Shao C-Y, Wang B, Yue R-H. Asymptotical quasinormal mode spectrum for piecewise approximate effective potential. [Internet]. PHYSICAL REVIEW D. 2021 ; 103 16 .[citado 2025 dez. 30 ] Available from: https://doi.org/10.1103/PhysRevD.103.024019 -
Vancouver
Qian W-L, Lin K, Shao C-Y, Wang B, Yue R-H. Asymptotical quasinormal mode spectrum for piecewise approximate effective potential. [Internet]. PHYSICAL REVIEW D. 2021 ; 103 16 .[citado 2025 dez. 30 ] Available from: https://doi.org/10.1103/PhysRevD.103.024019 - Alternative mechanism for black hole echoes
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Informações sobre o DOI: 10.1103/PhysRevD.103.024019 (Fonte: oaDOI API)
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