Constraining study of circular orbits and accretion disk around nonlinear electrodynamics black hole

被引:4
|
作者
Ditta, A. [1 ]
Mustafa, G. [2 ]
Abbas, G. [1 ]
Atamurotov, Farruh [3 ,4 ,5 ]
Jusufi, Kimet [6 ]
机构
[1] Islamia Univ Bahawalpur, Dept Math, Bahawalpur 63100, Pakistan
[2] Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Zhejiang, Peoples R China
[3] New Uzbekistan Univ, Mustaqillik Ave 54, Tashkent 100007, Uzbekistan
[4] Inha Univ Tashkent, Ziyolilar 9, Tashkent 100170, Uzbekistan
[5] Natl Univ Uzbekistan, Tashkent 100174, Uzbekistan
[6] State Univ Tetovo, Phys Dept, Ilinden St NN, Tetovo 1200, North Macedonia
关键词
GR black holes; modified gravity; BONDI-HOYLE ACCRETION; LOW-FREQUENCY MODES; MATTER; ENERGY;
D O I
10.1088/1475-7516/2023/08/002
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The very latest observation of M87 supermassive black hole (BH) by the Event Horizon Telescope (EHT) provides the accretion onto BHs is an interesting study in the theory of gravity. We study the geodesics structure and accretion near a nonlinear electrodynamics BH in strong and weak field approximations. These approximations provide the disc-like structure under the geodesic motion and accretion around the BH. Near the equatorial plane, we provide some new reasons to make circular orbits and accretion of test particles around the BH. Then we investigate perturbations, the critical speed of the fluid and the mass accretion rate of particles around the central object. The physical validity of this study shows that the parameter beta and Q play an important role in the circular orbits and the mass accretion rate in strong and weak field approximations.
引用
收藏
页数:27
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