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SUMMARY:Hydrodynamic Tails in CFT and the Large Dimension Expansion
DTSTART:20191216T140000
DTEND:20191216T153000
DTSTAMP:20260610T042444Z
UID:0a8986073a35a5ece2f3c947a72d53f0130c91920abb4a9a03cb2536
CATEGORIES:Conferences - Seminars
DESCRIPTION:Luca Delacretaz (University of Chicago)\nThe late time physics
  of interacting Quantum Field Theories at finite \ntemperature is control
 led by hydrodynamics. For CFTs this implies that \nheavy operators -- whi
 ch are generically expected to create thermal \nstates -- can be studied 
 semi-classically. I will show that hydrodynamic \nloops universally fix t
 he OPE coefficients C_{HH'L}\, on average\, of all \nneutral light operat
 ors with two non-identical heavy ones\, as a function \nof the scaling di
 mension and spin of the operators. These methods can be \nstraightforward
 ly extended to CFTs with global symmetries\, and \ngeneralize recent EFT 
 results on large charge operators away from the \ncase of minimal dimensi
 on at fixed charge.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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