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SUMMARY:Tidal disruptions of supermassive black hole binaries in galaxy me
 rgers
DTSTART;VALUE=DATE-TIME:20260422T060000Z
DTEND;VALUE=DATE-TIME:20260422T070000Z
DTSTAMP;VALUE=DATE-TIME:20260426T104400Z
UID:indico-event-4943@indico-tdli.sjtu.edu.cn
DESCRIPTION:Host: Zhen PanJoin Tencent Meeting：https://meeting.tencent.
 com/dm/PG1StQGcOOxEMeeting ID: 446510183 (no password）Abstract:Galaxy 
 mergers are the direct descendents of the Λ cold dark matter cosmology. T
 here are many close connections between central supermassive black holes (
 SMBHs) and their host galaxies\, which indicates that SMBHs play very impo
 rtant roles in the formation and evolution of galaxies. During the merging
  of galaxies and the formation of the supermassive black hole binary (SMBH
 B)\, black holes and surrounding stars undergo a dramatic evolution\, whic
 h results in very complicated evolution of SMBHs\, stars and other compact
  objects. Due to the gas poor environment and the limited spatial resoluti
 on in observations\, it is very difficult to find clues of these systems i
 n quiescent galaxies.  However\, a close encounter of a star with one of 
 the supermassive black holes (SMBHs) may tidally disrupt it to produce a t
 idal disruption event (TDE) and temporarily light up the SMBH. TDEs by SMB
 HBs should be significantly different from the cases by single SMBHs.  By
  using direct N-body simulations and scattering experiments\, we investiga
 te TDEs by SMBHBs and find that both the statistical event rates and speci
 fic light curves from SMBHB systems are significantly different from the c
 ases in isolated galaxies.  Biography:Shuo Li received his Ph.D. in Astr
 ophysics from Peking University in 2011. From 2011 to 2015\, he conducted 
 postdoctoral research at the National Astronomical Observatories\, Chinese
  Academy of Sciences\, where he has remained ever since and currently hold
 s the position of Associate Research Professor. His main research focuses 
 on the co-evolution of supermassive black hole binaries and their host gal
 axies\, as well as their observational signatures. This includes\, but is 
 not limited to\, the evolution and characteristics of special physical pro
 cesses in binary black hole systems\, such as tidal disruption events\, hy
 pervelocity stars\, and extreme mass ratio inspirals. Li Shuo is proficien
 t in GPU-accelerated direct N-body simulations. He has extensive experienc
 e applying these methods to study topics such as the co-evolution of recoi
 ling black holes formed during supermassive black hole mergers and their h
 ost galaxies\, as well as the evolution of tidal disruption event rates in
  merging galaxies hosting supermassive black hole binaries.\n\nhttps://ind
 ico-tdli.sjtu.edu.cn/event/4943/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/4943/
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