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SUMMARY:Anatoly Dymarsky (University of Kentucky)
DTSTART:20210426T183000Z
DTEND:20210426T193000Z
DTSTAMP:20260423T040041Z
UID:Kadanoff/37
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Kadanoff/37/
 ">Quantum codes\, conformal field theory\, and holography</a>\nby Anatoly 
 Dymarsky (University of Kentucky) as part of Kadanoff seminars\n\n\nAbstra
 ct\nClassical error correcting codes are related to special lattices\, whi
 ch give rise to chiral CFTs. Recently this story was generalized to non-ch
 iral theories. In this case quantum codes give rise to Narain lattices and
  a special family of Narain theories which we dub code CFTs. Some of these
  code theories maximize the spectral gap\, making connection with the conf
 ormal bootstrap program. From the holographic point of view\, code CFTs fo
 rm an ensemble which provides a simplified model for the recently introduc
 ed duality between ensembles of boundary theories and quantum gravity in t
 he bulk. In this talk I will first describe the mapping between quantum co
 des and Narain theories\, and then discuss examples of optimal CFTs which 
 maximize the spectral gap. In the second part of the talk I will discuss t
 he ensemble of code theories and several lessons they presumably teach us 
 about the ensemble of all Narain theories and its holographic description.
 \n
LOCATION:https://researchseminars.org/talk/Kadanoff/37/
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