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SUMMARY:Quasi-normal modes for Kerr-de Sitter black holes - Semyon Dyatlov
  (Berkeley)
DTSTART:20110502T150000Z
DTEND:20110502T160000Z
UID:TALK30813@talks.cam.ac.uk
CONTACT:Prof. Mihalis Dafermos
DESCRIPTION:Quasinormal modes of black holes are supposed to describe osci
 llations and decay of gravitational waves produced by the black hole inter
 acting with another object. They have been extensively studied by physicis
 ts\, most recently in the context of string theory.\n\nWe provide a rigoro
 us definition of quasinormal modes of slowly rotating Kerr-de Sitter black
  holes\, resonance expansions of linear waves in terms of these modes (and
  in particular exponential decay)\, and a semiclassical description of qua
 sinormal modes\, which matches numerical results already at low energies.\
 n
LOCATION:CMS\, MR15
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