Electromagnetic fields escape the event horizon of a charged black hole
Electromagnetic fields associated with a charged black hole extend outside the event horizon, as established by standard charged black hole metrics and near-horizon particle dynamics.
The claim states that electromagnetic fields escape (or are present outside) the event horizon of a charged black hole. In general relativity, a charged black hole is described by the Reissner-Nordström metric (or extensions), which features an electrostatic/electromagnetic field extending through the spacetime outside the event horizon. The retrieved papers discuss charged black holes, quantum corrections to Reissner-Nordström spacetimes, and charged particle dynamics near the event horizon, all of which presuppose and study external electromagnetic fields. Therefore, the claim is supported.
Arpita Jana, Soham Sen, Sunandan Gangopadhyay. Atom falling into a quantum corrected charged black hole and HBAR entropy. 2024. https://doi.org/10.1103/PhysRevD.110.026029
Discusses quantum effects and metrics of charged (Reissner-Nordström) black holes where electromagnetic fields exist in the spacetime surrounding the event horizon.
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Sidra Shafiq, S. Hussain, M. Ozair, A. Aslam, T. Hussain. Charged particle dynamics in the surrounding of Schwarzschild anti-de Sitter black hole with topological defect immersed in an external magnetic field. 2020. https://doi.org/10.1140/epjc/s10052-020-8314-y
Examines charged particle dynamics and electromagnetic forces in the vicinity of the event horizon, confirming the presence of external or associated magnetic fields outside the horizon.
Yue-Lou Song, R. Yin, Yiqian He, Benrong Mu. Chaos bound of charged particles around phantom AdS black hole. 2022
Analyzes the behavior of charged particles and electromagnetic fields (such as in Reissner-Nordström-AdS black holes) in near-horizon regions.
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