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SUMMARY:When black holes collide: Probing the quantum state of black holes
  by the spectrum of emitted gravitational waves
DTSTART:20190325T140000
DTEND:20190325T153000
DTSTAMP:20260413T224237Z
UID:1220fbf8a5e20c1984a941b45dc63bd56109bd4aa65aa55539e25942
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Ram Brustein (Ben-Gurion University / CERN)\nBlack hole 
 (BH) mergers can be viewed as cosmological ``scattering experiments'' resu
 lting in an excited BH\, which then decays to its ground state by emitting
  gravitational waves. I will present general arguments\, based on fundamen
 tal physics principles\, as to why we should expect additional quantum rin
 gdown modes to those predicted by general relativity. Then\, I will discus
 s a model of BHs as bound states of fundamentals strings in the Hagedorn p
 hase and the spectrum of the additional quasi-normal modes. Finally\, I wi
 ll discuss the spectrum of the predicted ringdown modes\; the resulting em
 itted gravitational waves and the prospects for their detection in LIGO/VI
 RGO.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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