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Effect of a Weak Electromagnetic Field on Particle Acceleration by a Rotating Black Hole
Weak Electromagnetic Field Particle Acceleration Rotating Black Hole
2012/2/23
We study high energy charged particle collisions near the horizon in an electromagnetic field around a rotating black hole and reveal the condition of the fine-tuning to obtain arbitrarily large cente...
Perturbed stellar motions around the rotating black hole in Sgr A* for a generic orientation of its spin axis
Perturbed stellar motions rotating black hole generic orientation spin axis
2011/10/17
Empirically determining the averaged variations of the orbital parameters of the stars orbiting the Supermassive Black Hole (SBH) hosted by the Galactic Centre (GC) in Sgr A* is, in principle, a valua...
Energy Extraction and Particle Acceleration Around Rotating Black Hole in Horava-Lifshitz Gravity
Energy Extraction Particle Acceleration Around Rotating Horava-Lifshitz Gravity
2011/10/17
Penrose process on rotational energy extraction of the black hole (BH) in the original non-projectable Ho\v{r}ava-Lifshitz gravity is studied. The strong dependence of the extracted energy from the sp...
Extremal energy shifts of radiation from a ring near a rotating black hole
Extremal energy rotating black hole
2011/1/11
Radiation from a narrow circular ring shows a characteristic double-horn profile dominated by photons having energy around the maximum or minimum of the allowed range, i.e. near the extremal values of...
Extremal energy shifts of radiation from a ring near a rotating black hole
Extremal energy shifts radiation black hole
2011/1/11
Radiation from a narrow circular ring shows a characteristic double-horn profile dominated by photons having energy around the maximum or minimum of the allowed range, i.e. near the extremal values of...