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SUMMARY:Physical modelling of radiative emissions from regions on event ho
 rizon-scales
DTSTART;VALUE=DATE-TIME:20260722T060000Z
DTEND;VALUE=DATE-TIME:20260722T070000Z
DTSTAMP;VALUE=DATE-TIME:20260728T061000Z
UID:indico-event-5190@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Ziri Younsi\n\nHost: Yosuke MizunoJoin Tencent Meeti
 ng：https://meeting.tencent.com/dm/nyZj55m8yguBMeeting ID: 201504070 (no 
 password)Abstract: In 2019 the first image of a black hole was published 
 by the Event Horizon Telescope\, showcasing event horizon-scale structure 
 of the M87 central region. In 2022\, the EHT then published the first imag
 e of the black hole in the heart of our Milky Way\, Sagittarius A*. Whilst
  the image morphologies are similar\, highlighting that the regime of stro
 ng-field gravity is important\, these regions are also correlated with tra
 nsient phenomena which can be observed across the electromagnetic spectrum
  and beyond. In this talk I will explain how we are able to model the radi
 ative emissions from these systems in both general relativity and other th
 eories of gravity. I will discuss some of the theoretical and modelling ap
 proaches used to build physics-guided models of these complex\, dynamical\
 , and strongly curved regions. I will then outline the potential of event 
 horizon-scale images of black holes to facilitate studies of microphysical
  processes and gravity.Bio:Ziri Younsi is a Lecturer at University College
  London. He obtained a Ph.D. from University College London in 2014. He wa
 s a postdoctoral fellow in the Black Hole Camera project at Goethe Univers
 ity Frankfurt\, Alexander von Humboldt Fellow at Goethe University Frankfu
 rt\, Leverhulme Trust Early Career Research Fellow at UCL\, and UKRI Steph
 en Hawking Fellow at UCL. His research utilizes multi-frequency polarized 
 radiation transport to create physically accurate models of compact object
  environments\, enabling scientific interpretation of observational data. 
 He is an active member of the EHT\, next-generation EHT\, and LISA project
 s.\n\nhttps://indico-tdli.sjtu.edu.cn/event/5190/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/5190/
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