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SUMMARY:Riccardo Rattazzi (EPFL\, Lausanne)
DTSTART:20210421T123000Z
DTEND:20210421T133000Z
DTSTAMP:20260423T024549Z
UID:SISSAHEP/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SISSAHEP/8/"
 >The quantum mechanics of a perfect fluid</a>\nby Riccardo Rattazzi (EPFL\
 , Lausanne) as part of SISSA HEP seminars\n\n\nAbstract\nFinite density sy
 stems can be described by effective field theories with non-linearly reali
 zed space-time symmetries\,\nwhose construction resembles that of the QCD 
 chiral lagrangian. Also based on that similarity\, one would expect the \n
 construction to work equally well classically and quantum mechanically. Wh
 ile that is true for superfluids and solids\, \none instead finds that for
  genuine fluids things are made more complicated by the unusual dynamics o
 f their transverse \nmodes\, which are not  described by a Fock space. Foc
 ussing on the incompressible limit in 2+1 dimensions\, I illustrate how a 
 consistent quantum mechanical description of a perfect fluid can be obtain
 ed by using the known equivalence between the area preserving diffeomorfis
 m  group in 2D and $SU(N)$ with $N\\to \\infty$.\n
LOCATION:https://researchseminars.org/talk/SISSAHEP/8/
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