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SUMMARY:Leo Radzihovsky (University of Colorado Boulder)
DTSTART:20201207T193000Z
DTEND:20201207T203000Z
DTSTAMP:20260423T041342Z
UID:Kadanoff/19
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Kadanoff/19/
 ">Quantum smectic gauge theory</a>\nby Leo Radzihovsky (University of Colo
 rado Boulder) as part of Kadanoff seminars\n\n\nAbstract\nI will discuss a
  gauge theory formulation of a two-dimensional quantum smectic and its rel
 atives\, motivated by their realizations in correlated quantum matter. The
  description gives a unified treatment of phonons and topological defects\
 , respectively encoded in a pair of coupled gauge fields and corresponding
  charges. The charges exhibit subdimensional constrained quantum dynamics 
 and anomalously slow highly anisotropic diffusion of disclinations inside 
 a smectic. This approach gives a transparent description of a multi-stage 
 quantum melting transition of a two-dimensional commensurate crystal (thro
 ugh an incommensurate crystal -- a supersolid) into a quantum smectic\, th
 at subsequently melts into a quantum nematic and isotropic superfluids\, a
 ll in terms of a sequence of Higgs transitions.\n
LOCATION:https://researchseminars.org/talk/Kadanoff/19/
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