Innermost stable circular orbit of Kerr-MOG black hole

Autor: Hyun-Chul Lee, Yong-Jin Han
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: European Physical Journal C: Particles and Fields, Vol 77, Iss 10, Pp 1-9 (2017)
Druh dokumentu: article
ISSN: 1434-6044
1434-6052
39898172
DOI: 10.1140/epjc/s10052-017-5152-7
Popis: Abstract We study the innermost stable circular orbit (ISCO) of the metric of the Kerr black hole in modified gravity (Kerr-MOG black hole), which is one of the exact solutions of the field equation of modified gravity in the strong gravity regime. The Kerr-MOG metric is constructed; it is the commonly known Kerr metric in Boyer–Lindquist coordinates by adding a repulsive term like the Yukawa force, which is explained in quantum gravity. In this paper, we numerically calculate the circular orbit of a photon and the ISCO of a test particle of Kerr-MOG black holes.
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