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Effects of Born-Infeld electrodynamics on black hole shadows

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arxiv 2205.12779 v2 pith:K5QSU5BQ submitted 2022-05-25 gr-qc

Aoyun He , Jun Tao , Peng Wang , Yadong Xue , Lingkai Zhang This is my paper · ORCID
classification gr-qc
keywords blackholesmagneticborn-infeldeffectsfieldholeimmersed
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In this work, we study the shadow of Born-Infeld (BI) black holes with magnetic monopoles and Schwarzschild black holes immersed in the BI uniform magnetic field. Illuminated by a celestial sphere, black hole images are obtained by using the backward ray-tracing method. For magnetically charged BI black holes, we find that the shadow radius increases with the increase of nonlinear electromagnetics effects. For Schwarzschild black holes immersed in the BI uniform magnetic field, photons tend to move towards the axis of symmetric, resulting in stretched shadows along the equatorial plane.

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  1. Rotating Black Holes in Einstein-Born-Infeld Theory

    gr-qc 2025-07 conditional novelty 7.0 of 10

    Exact rotating charged Einstein-Born-Infeld black holes are constructed numerically; they show charge-dependent extremal or naked-singularity endpoints, gyromagnetic ratio above 2, and ISCO radii below Kerr-Newman values.

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