Gravitational Perturbations Near to Extreme Kerr Black Holes

Watch a detailed physics seminar where Alejandra Castro from the University of Cambridge explores gravitational perturbations in the context of extreme Kerr black holes. Delve into the complex relationship between theory, experimentation, and numerical simulations in general relativity, focusing on recent theoretical advances in understanding low-energy physics of near-extremal black holes. Learn about the spectrum of linear axisymmetric gravitational perturbations and their role in driving black holes away from extremality. Examine how these perturbations compare to linearized perturbations in the Newman-Penrose formalism, and discover unique characteristics of the Kerr black hole's low-lying mode sector that distinguish it from charged spherically symmetric cases. Gain insights into the potential microscopic and holographic interpretations of Kerr black hole physics through this comprehensive analysis of gravitational dynamics.