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SUMMARY:Huge operators in the Hoppe Model\, sometimes\, have no hair - And
 rea Guerrieri\, City\, University of London
DTSTART:20251204T130000Z
DTEND:20251204T140000Z
UID:TALK236560@talks.cam.ac.uk
CONTACT:122734
DESCRIPTION:In large N theories with a gravity dual\, huge operators shoul
 d correspond to black holes in the bulk\, and the microscopic details of s
 uch operators should then become irrelevant in the low-energy theory. To u
 nderstand this mechanism in a simpler framework\, I will discuss the two-m
 atrix Hoppe model in the strong coupling limit in the presence of huge ope
 rators. Using analytics and Montecarlo simulations\, I will show how eigen
 value densities are described by a universal parabola distribution\, and h
 ow correlation functions of probes in these backgrounds are determined by 
 few parameters. Interestingly\, not all huge operators behave universally:
  these models exhibit a sharp transition between universal and non-univers
 al regimes at strong coupling.
LOCATION:Potter room
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