Interpolating Between Asymptotic and Near Horizon Symmetries
Starts 19 Dec 2019 14:30
Ends 19 Dec 2019 16:00
Central European Time
Leonardo Building - Euler Lecture Hall
Abstract. We study interpolate between asymptotic and near horizon symmetries in the example of AdS3 black holes. In particular, we match Brown--Henneaux boundary conditions at infinity, which yields two Virasoro algebras, to Heisenberg boundary conditions at the horizon yielding two u(1) current algebras. Our construction allows to equip BTZ black holes with soft hair excitations at the horizon invisible to the asymptotic observer.