2 papers
gr-qc2026
Observational signatures of misaligned double-ring and double-torus configurations around a Schwarzschild black hole
Dmitriy Ovchinnikov, Jan Schee, ZdenÄk StuchlÃk
We investigate the observational signatures of an idealized double-ring and double-torus system orbiting a Schwarzschild black hole, allowing the two emitting components to have mu…
gr-qc2025
Primary Proca Hair and the Double-Peak Optics of Black Holes
R. A. Konoplya, D. Ovchinnikov, J. Schee
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 massiv…