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Cyclic and heteroclinic flows near general static spherically symmetric black holes 

Ahmed, Ayyesha K.; Azreg-Ainou, Mustapha; Faizal, Mir; Jamil, Mubasher (2016)
We investigate the Michel-type accretion onto a static spherically symmetric black hole. Using a Hamiltonian dynamical approach, we show that the standard method employed for tackling the accretion problem has masked some ...
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Astrophysical flows near f (T) gravity black holes 

Ahmed, Ayyesha K.; Azreg-Ainou, Mustapha; Bahamonde, Sebastian; Capozziello, Salvatore; Jamil, Mubasher (2016)
In this paper, we study the accretion process for fluids flowing near a black hole in the context of f (T) teleparallel gravity. Specifically, by performing a dynamical analysis by a Hamiltonian system, we are able to find ...
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Shadow, quasinormal modes, and quasiperiodic oscillations of rotating Kaluza-Klein black holes 

Ghasemi-Nodehi, M.; Azreg-Ainou, Mustapha; Jusufi, Kimet; Jamil, Mubasher (2020)
In this paper we study the shadow of rotating Kaluza-Klein (KK) black holes and the connection between the shadow radius and the real part of quasinormal modes (QNMs) in the eiokonal limit. In addition we have explored the ...
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Rotating normal and phantom Einstein-Maxwell-dilaton black holes: Geodesic analysis 

Azreg-Ninou, Mustapha; Haroon, Sumarna; Jamil, Mubasher; Rizwan, Muhammed (2019)
Depending on five parameters, rotating counterparts of Einstein-Maxwell-dilaton black holes are derived. We discuss their physical and geometric properties and investigate their null and timelike geodesics including circular ...
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Shadow and quasinormal modes of a rotating loop quantum black hole 

Liu, Cheng; Zhu, Tao; Wu, Qiang; Jusufi, Kimet; Jamil, Mubasher; Azreg-Ainou, Mustapha; Wang, Anzhong (2020)
In this paper, we construct an effective rotating loop quantum black hole (LQBH) solution, starting from the spherical symmetric LQBH by applying the Newman-Janis algorithm modified by Azreg-Ainou's noncomplexification ...
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Gyroscope precession frequency analysis of a five-dimensional charged rotating Kaluza-Klein black hole 

Azreg-Ainou, Mustapha; Jamil, Mubasher; Lin, Kai (2020)
We study the spin precession frequency of a test gyroscope attached to a stationary observer in the five-dimensional rotating Kaluza-Klein black hole (RKKBH). We derive the conditions under which the test gyroscope moves ...
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Orbital mechanics and quasiperiodic oscillation resonances of black holes in Einstein-AEther theory 

Azreg-Ainou, Mustapha; Chen, Zihang; Deng, Bojun; Jamil, Mubasher; Zhu, Tao; Wu, Qiang; Lim, Yen-Kheng (2020)
In this paper, we study the motion of test particles around two exact charged black hole solutions in Einstein-AEther theory. Specifically, we first consider the quasiperiodic oscillations (QPOs) and their resonances ...
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Shadow, quasinormal modes, and quasiperiodic oscillations of rotating Kaluza-Klein black holes 

Ghasemi-Nodehi, M.; Azreg-Ainou, Mustapha; Jusufi, Kimet; Jamil, Mubasher (2020)
In this paper we study the shadow of rotating Kaluza-Klein (KK) black holes and the connection between the shadow radius and the real part of quasinormal modes (QNMs) in the eiokonal limit. In addition we have explored the ...
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Strong gravitational lensing by a charged Kiselev black hole 

Azreg, Ainou Mustapha; Bahamonde, Sebastian; Jamil, Mubasher (2017)
We study the gravitational lensing scenario where the lens is a spherically symmetric charged black hole (BH) surrounded by quintessence matter. The null geodesic equations in the curved background of the black hole are ...
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Quasinormal modes, quasiperiodic oscillations, and the shadow of rotating regular black holes in nonminimally coupled Einstein-Yang-Mills theory 

Jusufi, Kimet; Azreg-Ainou, Mustapha; Jamil, Mubasher; Wei, Shao-Wen; Wu, Qiang; Wang, Anzhong (2021)
In this paper, we obtain an effective metric describing a regular and rotating magnetic black hole (BH) solution with a Yang-Mills electromagnetic source in Einstein-Yang-Mills (EYM) theory using the Newman-Janis (NJ) ...
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Jamil, Mubasher (16)
Azreg-Ainou, Mustapha (13)Jusufi, Kimet (9)Wu, Qiang (5)Zhu, Tao (3)Ahmed, Ayyesha K. (2)Bahamonde, Sebastian (2)Bambi, Cosimo (2)Ghasemi-Nodehi, M. (2)Wang, Anzhong (2)... View MoreSubjectGEODESIC MOTION (4)RESONANCE (3)ACCRETION (2)black hole shadow (2)STABILITY (2)AXIAL SYMMETRY (1)barrow entropy (1)black holes shadow (1)CHAPLYGIN-GAS (1)COSMOLOGICAL CONSTANT (1)... View MoreDate Issued2020 (6)2022 (4)2016 (2)2021 (2)2017 (1)2019 (1)Has File(s)Yes (9)No (7)

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