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SUMMARY:Effective Edge State Dynamics in the Fractional Quantum Hall Effec
 t - Prof. Steve Simon\, University of Oxford
DTSTART:20180607T131500Z
DTEND:20180607T141500Z
UID:TALK99274@talks.cam.ac.uk
CONTACT:Bartomeu Monserrat
DESCRIPTION:We consider the behaviour of quantum Hall edges away from the 
 Luttinger\nliquid fixed point that occurs in the low energy\, large system
  limit.\nUsing the close links between quantum Hall wavefunctions and conf
 ormal\nfield theories we construct effective Hamiltonians from general\npr
 inciples and then constrain their forms by considering the effect of\nbulk
  symmetries on the properties of the edge. In examining the effect\nof bul
 k interactions on this edge we find remarkable simplifications to\nthese e
 ffective theories which allow for a very accurate description of\nthe low-
 energy physics of quantum Hall edges relatively far away from\nthe Lutting
 er liquid fixed point\, and which apply to small systems and\nhigher energ
 ies.\n
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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