Badri Krishnan: The merger of black hole horizons

par Badri Krishnan (Max-Planck Institut for Gravitational Physics (AEI))

mercredi 9 oct. 2019, 16:15 → 17:15 Europe/Paris

Salle A318

In this talk I will present a new way of visualizing and studying a binary black hole coalescence.  Instead of employing global event horizons, this method is based on the central ingredient of the singularity theorems of general relativity, namely trapped surfaces.  I show how two initially disjoint marginally trapped surfaces merge to form a single final black hole.
Moreover, this study uncovers a previously unknown phenomenon, namely the formation of marginally trapped surfaces with self-intersections.