Onset of chaotic gravitational lensing in non-Kerr rotating black holes with quadrupole mass moment (2023)
- Authors:
- Autor USP: QIAN, WEILIANG - EEL
- Unidade: EEL
- DOI: 10.1088/1674-1137/acd83e
- Assunto: BURACOS NEGROS
- Keywords: black hole shadow; chaos; black hole image
- Agências de fomento:
- Language: Inglês
- Abstract: In the electromagnetic channel, chaotic gravitational lensing is a peculiar phenomenon in strong gravitational lensing. In this study, we analyze the properties and emergence of chaotic gravitational lensing in the MankoNovikov black hole spacetime. Aiming to better understand the underlying physics, we elaborate on the boundaries of the accessible region through analyses of the contours of the effective potentials. The latter is associated with the two roots of a quadratic equation. In particular, we explore its interplay with an ergoregion, which leads to specific features of the effective potentials, such as the emergence of a cuspy edge and the formation of a pocket, which serve as static constraints on the geodesics. Additionally, we investigate the properties of the radial and angular accelerations at the turning points in photon trajectories. The accelerations are further examined and may provide kinematic constraints on the geodesics, as argued herein. It is concluded that the onset of the chaotic lensing is significantly related to both constraints; as a result, an arbitrary slight deviation in the incident photon is significantly amplified during evolution through an extensive period, demonstrating the complexity in the highly nonlinear deterministic gravitational system.
- Imprenta:
- Publisher: IOP Science
- Publisher place: Beijing
- Date published: 2023
- Source:
- Título: Chinese Physics C
- ISSN: 1674-1137
- Volume/Número/Paginação/Ano: v.47, n.8, art. 085102,p. 1-15, 2023
- Este periódico é de acesso aberto
- Este artigo NÃO é de acesso aberto
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ABNT
WU, Wen-Hao et al. Onset of chaotic gravitational lensing in non-Kerr rotating black holes with quadrupole mass moment. Chinese Physics C, v. 47, n. 8, p. 1-15, 2023Tradução . . Disponível em: https://doi.org/10.1088/1674-1137/acd83e. Acesso em: 21 jan. 2026. -
APA
Wu, W. -H., Zhang, C. -Y., Shao, C. -G., & Qian, W. -L. (2023). Onset of chaotic gravitational lensing in non-Kerr rotating black holes with quadrupole mass moment. Chinese Physics C, 47( 8), 1-15. doi:10.1088/1674-1137/acd83e -
NLM
Wu W-H, Zhang C-Y, Shao C-G, Qian W-L. Onset of chaotic gravitational lensing in non-Kerr rotating black holes with quadrupole mass moment [Internet]. Chinese Physics C. 2023 ;47( 8): 1-15.[citado 2026 jan. 21 ] Available from: https://doi.org/10.1088/1674-1137/acd83e -
Vancouver
Wu W-H, Zhang C-Y, Shao C-G, Qian W-L. Onset of chaotic gravitational lensing in non-Kerr rotating black holes with quadrupole mass moment [Internet]. Chinese Physics C. 2023 ;47( 8): 1-15.[citado 2026 jan. 21 ] Available from: https://doi.org/10.1088/1674-1137/acd83e - Holographic p-wave superfluid in the AdS soliton background with RF2 corrections
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Informações sobre o DOI: 10.1088/1674-1137/acd83e (Fonte: oaDOI API)
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