Shadow of noncommutative geometry inspired black hole
Shao-Wen WeiInstitution, Theoretical Physics, Lanzhou University, No. 222, Tianshui Road (south), Lanzhou, 730000 People's Republic of ChinaPeng ChengInstitution, Theoretical Physics, Lanzhou University, No. 222, Tianshui Road (south), Lanzhou, 730000 People's Republic of ChinaYi ZhongInstitution, Theoretical Physics, Lanzhou University, No. 222, Tianshui Road (south), Lanzhou, 730000 People's Republic of ChinaXiangnan ZhouInstitution, Theoretical Physics, Lanzhou University, No. 222, Tianshui Road (south), Lanzhou, 730000 People's Republic of China
2015en
ABI
Аннотация
In this paper, the shadow casted by the rotating black hole inspired by noncommutative geometry is investigated. In addition to the dimensionless spin parameter a/M-0 with M-0 black hole mass and inclination angle i, the dimensionless noncommutative parameter root nu/M-0 is also found to affect the shape of the black hole shadow. The result shows that the size of the shadow slightly decreases with the parameter root nu/M-0, while the distortion increases with it. Compared to the Kerr black hole, the parameter root nu/M-0 increases the deformation of the shadow. This may offer a way to distinguish noncommutative geometry inspired black hole from Kerr one via astronomical instruments in the near future.
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