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SUMMARY:3D convection simulations and their applications to solar and stel
 lar physics\, planetary science\, and Galactic archaeology
DTSTART;VALUE=DATE-TIME:20260720T060000Z
DTEND;VALUE=DATE-TIME:20260720T070000Z
DTSTAMP;VALUE=DATE-TIME:20260721T152500Z
UID:indico-event-5185@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Yixiao Zhou(周一啸) (University of Oslo)\n\nHost:
  Dong LaiJoin Tencent Meeting：https://meeting.tencent.com/dm/dGuLjTK80a
 g5Meeting ID: 976213932 (no password）Abstract:Convection is a fundament
 al physical process in low-mass stars\, shaping how radiation escapes the 
 stellar surface\, how solar-like oscillations are driven\, and how solar a
 nd stellar activity manifests. An accurate treatment of convection is also
  essential for exoplanet detection and characterization. However\, in stan
 dard stellar models\, convection remains oversimplified and is widely rega
 rded as one of the weakest links in the models. Over the past three decade
 s\, 3D hydrodynamical simulations of stellar near-surface convection have 
 transformed our understanding of how spectral lines form and how solar-lik
 e oscillations are excited and damped. Recent years have seen rapid develo
 pment in large-scale\, global magneto-convection simulations of the Sun th
 at reveal intricate interactions between large-scale flows\, rotation\, an
 d magnetic fields in deep convective regions. In this talk\, I will first 
 introduce the basic properties of 3D near-surface convection simulations a
 nd review their impact on stellar physics -- in particular spectroscopy an
 d asteroseismology\, Galactic archaeology\, and the detection and characte
 rization of exoplanets\, where 3D models predict realistic limb-darkening 
 profiles for transit photometry and accurate synthetic spectra for transmi
 ssion spectroscopy. In the second part\, I will highlight recent progress 
 in large-scale solar convection simulations that provide unique insights i
 nto solar internal rotation and dynamo.Biography:Dr. Yixiao Zhou is a Mari
 e Curie Postdoctoral Fellow at the University of Oslo. He completed his Ph
 D at Australian National University in 2021\, followed by postdoctoral exp
 erience at Aarhus University (Denmark) and the University of Canterbury (N
 ew Zealand). Dr. Zhou's research focuses on the development and applicatio
 n of realistic\, first-principles simulations of stellar convection\, with
  expertise in asteroseismology\, stellar structure and evolution\, and the
  synthesis of radial velocity time series. His recent research interests i
 nclude large-scale simulations of solar convection.\n\nhttps://indico-tdli
 .sjtu.edu.cn/event/5185/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/5185/
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