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gr-qc2024
Absorption and (unbounded) superradiance in a static regular black hole spacetime
Marco A. A. de Paula, Luiz C. S. Leite, Sam R. Dolan +1
Regular black holes (RBHs) -- geometries free from curvature singularities -- arise naturally in theories of non linear electrodynamics. Here we study the absorption, and superradi…
gr-qc2024★ 14 cited
Superradiant instability of a charged regular black hole
Sam R. Dolan, Marco A. A. de Paula, Luiz C. S. Leite +1
We show that a charged, massive scalar field in the vicinity of an electrically-charged Ayón-Beato-García (ABG) regular black hole has a spectrum of quasibound states that (in a ce…