Dynamical mobility edge for various random Landau Hamiltonians

Details Dynamical mobility edge for various random Landau Hamiltonians Dynamical mobility edge for various random Landau Hamiltonians

2010-07-08

arxiv.org/abs/1007.1329v1

Physics

Mathematical Physics

8 pages

Scientific paper

We review recent results obtained within the framework of the integer quantum Hall effect in the spirit of the work of Germinet, Klein, Schenker in \cite{GKS}. Landau Hamiltonians perturbed by random electric or magnetic perturbations are shown to exhibit a dynamical mobility edge, that is a transition between a regime of dynamical localization and a regime of non trivial transport at a minimal rate. The focus is put on three situations of interest: 1) unbounded ergodic electric potentials, for which Landau gaps are filled; 2) non ergodic electric potentials; 3) random magnetic potentials.

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