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SUMMARY:Eugenio Bianchi (Department of Physics and Institute for Gravitati
 on & the Cosmos Center for Fundamental Theory\, Pennsylvania State Univers
 ity\, Pennsylvania\, USA)
DTSTART:20200713T130000Z
DTEND:20200713T153000Z
DTSTAMP:20260423T010943Z
UID:QASTM/20
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QASTM/20/">T
 ypicality of Small Spins in Primordial Black Holes: from the Bekenstein-Ha
 wking Entropy to Gravitational Wave Observations</a>\nby Eugenio Bianchi (
 Department of Physics and Institute for Gravitation & the Cosmos Center fo
 r Fundamental Theory\, Pennsylvania State University\, Pennsylvania\, USA)
  as part of Quantum Aspects of Space-Time and Matter\n\n\nAbstract\nBlack 
 hole entropy is a robust prediction of quantum gravity with no explored ph
 enomenological consequences to date. In this talk\, I discuss how the Beke
 nstein-Hawking entropy formula allows us to determine the probability dist
 ribution of the spin of black holes produced by the collapse of perturbati
 ons distributed according to a general relativistic microcanonical ensembl
 e. I will also discuss why this ensemble is relevant for black holes forme
 d in the early universe\, resulting in a population of black holes with ze
 ro spin. In principle\, the identification of such a population at LIGO\, 
 Virgo\, and future gravitational wave observatories could provide the firs
 t observational evidence for the statistical nature of black hole entropy.
 \n
LOCATION:https://researchseminars.org/talk/QASTM/20/
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