Quantum gravity corrections to accretion onto a Schwarzschild black hole
Rong-Jia YangCollege of Physical Science and Technology, Hebei University, Baoding 071002, China, Hebei Key Lab of Optic-Electronic Information and Materials, Baoding 071002, China, and State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
2015en
ABI
Аннотация
Quantum gravity corrections to accretion onto a Schwarzschild black hole are considered in the context of the asymptotically safe scenario. The possible positions of the critical points are discussed and the general conditions for critical points are obtained. The explicit expressions for the matter density compression and the temperature profile, both below the critical radius and at the event horizon, are derived. For polytropic matter, we determine the corrected temperature and the integrated flux resulting from quantum gravity effects at the event horizon, which might be considered as a test of the asymptotically safe scenario.
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