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SUMMARY:Mihailo Cubrovic (University of Belgrade)
DTSTART:20221214T120000Z
DTEND:20221214T130000Z
DTSTAMP:20260423T024620Z
UID:FHD-4/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/FHD-4/8/">Ch
 aotic string dynamics from perturbation theory to matrix models</a>\nby Mi
 hailo Cubrovic (University of Belgrade) as part of Frontiers of Holographi
 c Duality-4\n\n\nAbstract\nWe explore the chaotic properties of string mot
 ion and relate them to operator growth and complexity in dual field theori
 es. The nonperturbative regime can be studied in the framework of the IKKT
  (type IIB) matrix model\, where we compute the time-ordered and out-of-ti
 me-ordered correlator (TOC and OTOC) and show that both have a complex str
 ucture: there is no factorization of TOC at long times and chaos is weak\,
  with no universal bounds or properties. On the other hand\, the perturbat
 ive semiclassical regime for a falling string in AdS black brane backgroun
 d (corresponding to jets in dual super Yang Mills theory) saturates the un
 iversal chaos bound in the bulk but not in dual gauge theory. We conclude 
 that chaos in string motion is directly related not to OTOC but to more re
 fined measures of complexity in dual field theory.\n
LOCATION:https://researchseminars.org/talk/FHD-4/8/
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