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Optical properties of black holes in regularized Maxwell theory

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arxiv 2401.16259 v1 pith:DSGYLEUJ submitted 2024-01-29 gr-qc hep-th

Tomas Hale , David Kubiznak , Jana Menšíková This is my paper · ORCID
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keywords blackmaxwellregularizedtheoryelectrodynamicsholesinvestigateoptical
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Regularized Maxwell electrodynamics is a recently discovered theory of non-linear electrodynamics, with a "minimally regularized" field strength of a point charge, that is "very close" to the Maxwell theory in many aspects. In this paper we investigate some of the optical properties of its black holes. Namely, we study geodesics, gravitational red-shift, black hole shadow, as well as investigate the relationship between the behavior of (null geodesic) Lyapunov exponents and the existence of thermodynamic critical points in both canonical and grand-canonical ensembles.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Thermodynamics of charged and accelerating black holes

    gr-qc 2025-01 conditional novelty 7.0 of 10

    For charged accelerating AdS black holes in Maxwell, ModMax, and RegMax theories, topological renormalization of the Euclidean action differs from holographic renormalization by 2πℓ²μ₊T when the total cosmic string te...

  2. Black Hole Thermodynamics via Tsallis Statistical Mechanics

    gr-qc 2025-02 conditional novelty 6.0 of 10

    The authors derive a q-modified black hole entropy from Tsallis statistics applied to a near-horizon gas and show that a negative non-extensive parameter can stabilize a Schwarzschild black hole.

  3. Herrera Complexity and Shadows of Spherically Symmetric Compact Objects

    gr-qc 2025-01 conditional novelty 6.0 of 10

    The sign of the Herrera complexity factor at a light ring indicates whether that ring is a stable or unstable photon sphere, and zero-complexity compact objects cannot host external photon spheres.

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