BHI Colloquium | September 20, 2016: Pankaj Joshi, Alex Lupsasca, Bob Penna скачать в хорошем качестве

BHI Colloquium | September 20, 2016: Pankaj Joshi, Alex Lupsasca, Bob Penna

8:15 Pankaj Joshi, "Gravitational collapse, black holes and naked singularities" ABSTRACT: The final fate of massive collapsing stars at the end of their life cycle has been a fundamental issue in black hole physics and gravitation theory for many decades. The general theory of relativity predicts the occurrence of a space-time singularity, when the matter cloud collapses under self-gravity. This singularity, which is a super-dense region where space-time curvatures and other physical quantities are arbitrarily large, can be hidden within a black hole or could be visible to distant observers. These collapse endstates -- a black hole or a naked singularity -- are determined by the dynamical evolution of collapse within Einstein's gravitation theory. We consider the profound and exciting implications this scenario may have for Quantum Gravity and astrophysical observations of the Universe. 50:10 Alex Lupsasca, "Optical appearance of a hot spot orbiting near the ISCO of a near-extremal black hole" 1:11:25 Bob Penna, "Spinning black hole horizons in hyperbolic space"