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SUMMARY:Localization and delocalization in quantum hall systems - Germinet
 \, F (Universit de Cergy-Pontoise)
DTSTART:20081219T113000Z
DTEND:20081219T123000Z
UID:TALK15745@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:We shall present recent results on localization and delocaliza
 tion in quantum Hall systems. Anderson potentials are known to be relevant
  for a mathematical proof of the existence of plateaux in the integer quan
 tum Hall effect. Moreover\, for such models\, a dynamical statement of del
 ocalization can be proved near the Landau levels\, implying a dynamical An
 derson transition for such models. Last results include the case where the
  Landau gaps are closed. We may then mention recent results concerning qua
 ntum Hall currents.
LOCATION:Seminar Room 1\, Newton Institute
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