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SUMMARY:Formation of Regular Black Holes and Their Astrophysical Consequen
 ces
DTSTART;VALUE=DATE-TIME:20260702T020000Z
DTEND;VALUE=DATE-TIME:20260702T030000Z
DTSTAMP;VALUE=DATE-TIME:20260702T042900Z
UID:indico-event-30018@indico.ihep.ac.cn
DESCRIPTION:Speakers: Vitalii  Vertogradov (Herzen State Pedagogical Unive
 rsity of Russia)\n摘要：Stellar mass black holes are expected to form a
 s the final stage of the gravitational collapse of massive stars. Accordin
 g to Penrose's singularity theorem\, once trapped surfaces are formed\, gr
 avitational collapse leads to spacetime singularities under appropriate gl
 obal assumptions and the null energy condition. The presence of such singu
 larities remains one of the central problems of classical general relativi
 ty. For this reason\, increasing attention has recently been devoted to no
 nsingular solutions of the Einstein equations\, known as regular black hol
 es. \nHowever\, the formation of a regular center during gravitational co
 llapse requires a matter source that violates the strong energy condition 
 in the high density central region. Such matter is not present in ordinary
  massive stars. Therefore\, if regular black holes are formed in nature\, 
 the required matter must be generated dynamically during the collapse itse
 lf. This process should be accompanied by energy release and may therefore
  have observable astrophysical signatures. \nIn this talk\, I will discus
 s models of gravitational collapse in which initially ordinary matter evol
 ves toward a regular black hole. I will also show how one can estimate the
  energy density released during the formation of the matter supporting the
  regular center and discuss possible astrophysical consequences of this me
 chanism. \n\n个人简介：Dr. Vitalii Vertogradov is a Leading Research
 er at Herzen State Pedagogical University of Russia and is currently worki
 ng at the Wilczek Quantum Center\, Shanghai Institute for Advanced Studies
 . His research interests include general relativity\, black hole physics\,
  regular and dynamical black holes\, gravitational collapse and black hole
  shadow. His current work focuses on the formation\, evaporation\, and obs
 ervational signatures of regular black holes.\nhttps://indico.ihep.ac.cn/e
 vent/30018/
LOCATION:图书馆楼319
URL:https://indico.ihep.ac.cn/event/30018/
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