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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-8362
DTSTART:20230728T190000Z
DTEND:20230728T200000Z
DTSTAMP:20260408T104311Z
LAST-MODIFIED:20230727T224217Z
LOCATION:Chamberlin 5280
SUMMARY:Self-Similar Gravitational Dynamics\, Singularities and Critic
 ality in 2D\, Theory Seminar (High Energy/Cosmology)\, Upamanyu Moitra
 \, ICTP
DESCRIPTION:In the talk\, I will discuss continuously self-similar gra
 vitational dynamics in 1+1 spacetime dimensions. I will show how the a
 ssumption of self-similarity fixes the form of the two-dimensional the
 ory\, two classes of which are well-known in the literature. I will di
 scuss some exotic static solutions and how inclusion of matter fields 
 leads to non-trivial dynamics. I will argue for the occurrence of sing
 ularities based on a simple feature of differential equations. Time pe
 rmitting\, I will also discuss numerical work relating to dynamics of 
 matter field collapse.
URL:https://www.physics.wisc.edu/events/?id=8362
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