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SUMMARY:Luca Delacretaz (University of Chicago)
DTSTART:20200710T163000Z
DTEND:20200710T173000Z
DTSTAMP:20260423T041033Z
UID:CMU-TP/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMU-TP/3/">H
 eavy operators and hydrodynamic tails</a>\nby Luca Delacretaz (University 
 of Chicago) as part of Carnegie Mellon theoretical physics\n\n\nAbstract\n
 The late time physics of interacting QFTs at finite temperature is control
 led by hydrodynamics. For CFTs this implies that heavy operators -- which 
 are generically expected to create thermal states -- can be studied semicl
 assically. We show that hydrodynamics universally fixes the OPE coefficien
 ts C_{HH'L}\, on average\, of all neutral light operators with two non-ide
 ntical heavy ones\, as a function of the scaling dimension and spin of the
  operators. These methods can be straightforwardly extended to CFTs with g
 lobal symmetries\, and generalize recent EFT results on large charge opera
 tors away from the case of minimal dimension at fixed charge. We also revi
 sit certain aspects of late time thermal correlators in QFT and other diff
 usive systems.\n
LOCATION:https://researchseminars.org/talk/CMU-TP/3/
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