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SUMMARY:Accretion Disks\, Winds And Jets in Tidal Disruption Events - Jane
  Lixin Dai (University of Hong Kong)
DTSTART:20191121T160000Z
DTEND:20191121T170000Z
UID:TALK132091@talks.cam.ac.uk
CONTACT:Dominic Walton
DESCRIPTION:The tidal disruption of a star by a supermassive black hole pr
 ovides a unique opportunity for us to study accretion physics around black
  holes. During a tidal disruption event (TDE)\, the rate of stellar debris
  supplied to the black hole can vary from two orders above the Eddington a
 ccretion rate to sub-Eddington within a year. This allows us to use TDEs t
 o study super-Eddington accretion disk physics\, as well as to probe the t
 ransition between the super-Eddington thick disk regime and the thin disk 
 regime. In this talk\, I will present our latest general-relativistic radi
 ation magnetohydrodynamic simulations of super-Eddington accretion disks\,
  and show how we can use these results to understand the evolution of disk
 s\, winds\, jets and emissions in TDEs. I will also talk about our theoret
 ical modeling of X-ray reflection from these simulated super-Eddington acc
 retion disks.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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