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gr-qc2025
Accumulation of Charge on an Extremal Black Hole's Event Horizon
Zachary Gelles, Frans Pretorius
We numerically analyze the behavior of a charged scalar field on a fixed extremal Reissner-Nordström background. We find an extension of the Aretakis instability characterized by a…
astro-ph.HE2025
Limb-Brightened Jet in M87 from Anisotropic Nonthermal Electrons
Yuh Tsunetoe, Dominic W. Pesce, Ramesh Narayan +5
Very long baseline interferometry observations reveal that relativistic jets like the one in M87 have a limb-brightened, double-edged structure. Analytic and numerical models strug…