TY - JOUR AU - Olmo, Gonzalo J. AU - Rubiera García, Diego AU - Sáez Chillón Gómez, Diego PY - 2022 DO - 10.1016/j.physletb.2022.137045 SN - 0370-2693 UR - https://hdl.handle.net/20.500.14352/71847 T2 - Physics letters B AB - We argue that the appearance of additional light rings in a shadow observation - beyond the infinite sequence of exponentially demagnified self-similar rings foreseen in the Kerr solution - would make a compelling case for the existence of black hole... LA - eng PB - Elsevier KW - Event horizon KW - Shadowmigration KW - Modified gravity KW - Hubble constant KW - Quantum gravity KW - Kozai. TI - New light rings from multiple critical curves as observational signatures of black hole mimickers TY - journal article VL - 829 ER -