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Keyword: nonlinear electrodynamics ×Clear all

2 claims from 1 paper

1. Physics and Astronomy › Black Holes and Theoretical Physics

   Optical and orbital characterization of spherically symmetric static black holes of self-gravitating new nonlinear electrodynamics model

   Çimdiker, Övgün and Verbin · Physical review. D/Physical review. D. · 2026

   The paper studies the light and orbital behaviour of a new class of static, spherically symmetric black holes sourced by a nonlinear electrodynamics model, as a reference for imaging and lensing data.

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   1. UncheckedFor these charged black holes, the authors work out the photon sphere, capture threshold and shadow size, and how each changes with charge and nonlinearity index n.“For photons we determine the unstable photon sphere, the associated critical capture threshold, and the resulting shadow size for a distant observer, and we map how these observables respond to the charge and to the nonlinearity index $n$.”
   2. Unchecked“For massive probes we compute circular orbits and the innermost stable circular orbit, clarifying the departure from the Schwarzschild and Reissner-Nordström cases.”