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SUMMARY:Riccardo Rattazzi (EPFL)
DTSTART:20210428T153000Z
DTEND:20210428T163000Z
DTSTAMP:20260423T023937Z
UID:CMU-TP/27
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMU-TP/27/">
 The quantum mechanics of a perfect fluid</a>\nby Riccardo Rattazzi (EPFL) 
 as part of Carnegie Mellon theoretical physics\n\n\nAbstract\nFinite densi
 ty systems can be described by effective field theories with non-linearly 
 realized space-time symmetries\,\nwhose construction resembles that of the
  QCD chiral lagrangian. Also based on that similarity\, one would expect t
 he\nconstruction to work equally well classically and quantum mechanically
 . While that is true for superfluids and solids\,\none instead finds that 
 for genuine fluids things are made more complicated by the unusual dynamic
 s of their transverse\nmodes\, which are not  described by a Fock space. F
 ocussing on the incompressible limit in 2+1 dimensions\, I illustrate how 
 a consistent quantum mechanical description of a perfect fluid can be obta
 ined by using the known equivalence between the area preserving diffeomorf
 ism  group in 2D and $SU(N)$ with $N\\to \\infty$.\n
LOCATION:https://researchseminars.org/talk/CMU-TP/27/
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