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UID:69dd159164748
DTSTAMP:20260413T121057
DTSTART:20160224T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/681179-from-protoplan
 etary-disks-to-exoplanets-theory-confronts-observations-zhaohuan-zhu-princ
 eton
LOCATION:Université de Montréal - Pavillon Claire-McNicoll\, 2900\, chemi
 n de la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:From Protoplanetary Disks to Exoplanets: Theory Confronts Observati
 ons - Zhaohuan Zhu (Princeton)
DESCRIPTION:Zhaohuan Zhu\, Department of Astrophysical Sciences\, Princeton
  University 
\n 
\nAbstract:
\n 
\nWe are entering a golden era of stud
 y in the field of planet formation. Recently commissioned telescopes and i
 nstruments (e.g.\, Subaru\, GPI\, VLA\, ALMA\, EVLA) are now finally able 
 to resolve the protoplanetary disk down to the scale of a planet's immedia
 te assembly zone\, and a rich variety of disk features have been revealed:
  gaps\, large scale disk asymmetry\, and spiral arms. Despite this progres
 s on the observational front\, theoretical models have yet to be developed
  that can reveal what these observations are telling us about the physics 
 of disk structure and planet formation. In this talk\, I will present my w
 ork on numerical simulations of planet-disk interaction\, with an emphasis
  on understanding current observations. My simulations have not only succe
 ssfully reproduced observed spiral arms\, gaps and asymmetric features\, b
 ut also constrained protoplanetary disk properties and revealed potential 
 planets in these disks. To directly find young planets\, I will suggest th
 at disks around these forming planets\, so-called circumplanetary disks\, 
 could be the key and we may have already found some circumplanetary disk c
 andidates. Finally\, I will discuss how the new generation of numerical co
 des and simulations I am working on are important for not only interpretin
 g upcoming observations but also revealing fundamental physical processes 
 in protoplanetary disks. Combining the new generation of observations and 
 simulations\, we may finally unveil the mystery of planet formation in the
  next decade.
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