scholarly journals Electromagnetic energy for a charged Kerr black hole in a uniform magnetic field

2000 ◽  
Vol 61 (8) ◽  
Author(s):  
Li-Xin Li
Keyword(s):  
Magnetic Field ◽  
Black Hole ◽  
Uniform Magnetic Field ◽  
Kerr Black Hole ◽  
Electromagnetic Energy ◽  
Charged Kerr Black Hole

A charged black hole in a uniform magnetic field

1983 ◽  
Vol 61 (8) ◽  
pp. 1192-1197 ◽  
Author(s):  
K. D. Krori ◽  
Sumita Chaudhury ◽  
S. Dowerah
Keyword(s):  
Magnetic Field ◽  
Black Hole ◽  
Event Horizon ◽  
Gaussian Curvature ◽  
Uniform Magnetic Field ◽  
Kerr Black Hole ◽  
Charged Black Hole ◽  
Bonnet Theorem

We present here an investigation of the event horizon of a charged black hole embedded in a uniform magnetic field by studying the Gaussian curvature. It is shown that the Gauss–Bonnet theorem holds for this magnetized black hole and also for a magnetized Kerr black hole.

scholarly journals Magnetized Particle Motion in γ-Spacetime in a Magnetic Field

Galaxies ◽  
2020 ◽  
Vol 8 (4) ◽  
pp. 76
Author(s):  
Ahmadjon Abdujabbarov ◽  
Javlon Rayimbaev ◽  
Farruh Atamurotov ◽  
Bobomurat Ahmedov
Keyword(s):  
Magnetic Field ◽  
Black Hole ◽  
Center Of Mass ◽  
Kerr Black Hole ◽  
Compact Object ◽  
Magnetic Interaction ◽  
Mass Energy ◽  
Circular Orbits ◽  
Center Of Mass Energy ◽  
Astrophysical Scenario

In the present work we explored the dynamics of magnetized particles around the compact object in γ-spacetime in the presence of an external asymptotically-uniform magnetic field. The analysis of the circular orbits of magnetized particles around the compact object in the spacetime of a γ-object immersed in the external magnetic field has shown that the area of stable circular orbits of magnetized particles increases with the increase of γ-parameter. We have also investigated the acceleration of the magnetized particles near the γ-object and shown that the center-of-mass energy of colliding magnetized particles increases with the increase of γ-parameter. Finally, we have applied the obtained results to the astrophysical scenario and shown that the values of γ-parameter in the range of γ∈(0.5,1) can mimic the spin of Kerr black hole up to a≃0.85, while the magnetic interaction can mimic the γ-parameter at γ∈(0.8,1) and spin of a Kerr black hole up to a≃0.3.

scholarly journals The entropy of a quantum field in a charged Kerr black hole

1996 ◽  
Vol 212 (6) ◽  
pp. 323-331 ◽  
Author(s):  
Min-Ho Lee ◽  
Jae Kwan Kim
Keyword(s):  
Black Hole ◽  
Kerr Black Hole ◽  
Quantum Field ◽  
Charged Kerr Black Hole
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