Tail wavelets in merger of binary compact objects (2020)
- Authors:
- USP affiliated authors: QIAN, WEILIANG - EEL ; LIN, KAI - EEL
- Unidade: EEL
- DOI: 10.1088/1674-1137/44/7/071001
- Subjects: ONDAS GRAVITACIONAIS; MATÉRIA ESCURA
- Agências de fomento:
- Language: Inglês
- Abstract: We present a model for tail wavelets, a phenomenon known as "echo" in the literature. The tail wavelet may appear in signal reconnaissances in the merger of binary compact objects, including black holes and neutron stars. We show that the dark matter surrounding the compact objects lead to a speculated tail wavelet following the main gravitational wave (GW). We demonstrate that the radiation pressure of the main wave is fully capable of pushing away the surrounding matter to some altitude, and splashing down of the matter excites the tail wavelet after ringing down of the main wave. We illustrate this concept in a simplified model, where numerical estimations are conducted on the specific distribution of dark matter outside the black hole horizon and the threshold values in accordance with observations. We study the full back reaction of the surrounding dark matter to the metric and find that the effect on to the tail wavelets is insignificant. We reveal the fine difference between the tail wavelets of a dressed and a bare black hole. We demonstrate that the tail wavelet can appear as a natural phenomenon in the frame of general relativity, without invoking modified gravities or quantum effects.
- Imprenta:
- Publisher: IOP Science
- Publisher place: Beijing
- Date published: 2020
- Source:
- Título: Chinese Physics C
- ISSN: 1674-1137
- Volume/Número/Paginação/Ano: v. 44, n. 7, p., 2020
- Este periódico é de acesso aberto
- Este artigo NÃO é de acesso aberto
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ABNT
LIN, Kai et al. Tail wavelets in merger of binary compact objects. Chinese Physics C, v. 44, n. 7, p. , 2020Tradução . . Disponível em: https://doi.org/10.1088/1674-1137/44/7/071001. Acesso em: 01 mar. 2026. -
APA
Lin, K., Qian, W. -L., Fan, X., & Zhang, H. (2020). Tail wavelets in merger of binary compact objects. Chinese Physics C, 44( 7), . doi:10.1088/1674-1137/44/7/071001 -
NLM
Lin K, Qian W-L, Fan X, Zhang H. Tail wavelets in merger of binary compact objects [Internet]. Chinese Physics C. 2020 ; 44( 7): .[citado 2026 mar. 01 ] Available from: https://doi.org/10.1088/1674-1137/44/7/071001 -
Vancouver
Lin K, Qian W-L, Fan X, Zhang H. Tail wavelets in merger of binary compact objects [Internet]. Chinese Physics C. 2020 ; 44( 7): .[citado 2026 mar. 01 ] Available from: https://doi.org/10.1088/1674-1137/44/7/071001 - On quasinormal frequencies of black hole perturbations with an external source
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Informações sobre o DOI: 10.1088/1674-1137/44/7/071001 (Fonte: oaDOI API)
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