期刊
MODERN PHYSICS LETTERS A
卷 35, 期 20, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732320501631
关键词
Black hole shadow; noncommutative black hole; Rastall gravity; energy emission rate
资金
- UTA Mayor [4736-18]
- Comision Nacional de Ciencias y Tecnologia of Chile through FONDECYT [3170035]
We study the shadow and energy emission rate of a spherically symmetric noncommutative black hole in Rastall gravity. Depending on the model parameters, the noncommutative black hole can reduce to the Schwarzschild black hole. Since the nonvanishing noncommutative parameter affects the formation of event horizon, the visibility of the resulting shadow depends on the noncommutative parameter in Rastall gravity. The obtained sectional shadows respect the unstable circular orbit condition, which is crucial for physical validity of the black hole image model.
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