High Energy Theory Seminar

Nontrivial diffeomorphisms act on the horizon of a generic 4D black holes and create distinguishing features referred to as soft hair. Amongst these are a left-right pair of Virasoro algebras with associated charges that reproduce the Bekenstein-Hawking entropy for AdS-Kerr black holes. In this talk an overview will be given of recently discovered set of infinitesimal diffeomorphisms that act non-trivially on the horizon, if one adds a negative cosmological constant.

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