Tootfinder

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Als Kleininstanzuser ist v 4.5.0 echt eine enorme Verbesserung, weil man Beiträge von anderen Servern endlich nachladen kann. Das hat mich an Mastodon echt immer massiv gestört, weil dass das Föderationskonzept irgendwie echt kaputt gemacht hatte - man hat halt immer nur einen Bruchteil der Replies mitbekommen. Alternativ musste ich den Beitrag immer auf der Originalseite anschauen...

Primary Proca Hair and the Double-Peak Optics of Black Holes
R. A. Konoplya, D. Ovchinnikov, J. Schee
https://arxiv.org/abs/2510.05947 https://arxiv.org/pd…

Primary Proca Hair and the Double-Peak Optics of Black Holes
We study the optical properties of black holes endowed with primary Proca hair, focusing on the distinctive double-peak structure generated in the effective potential by the massive vector field. This novel feature drastically modifies the geodesic motion of both photons and massive particles, leading to qualitatively new dynamical and observational signatures. We derive and analyze the effective potentials, classify time-like and null geodesics, and identify the conditions for multiple circula…