From Landau levels to universal fluctuations - level statistics of lateral superlattices - University of Regensburg Publication Server

Steffens, Oliver ; Rotter, Peter ; Suhrke, Michael

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Date of publication of this fulltext: 05 Aug 2009 13:28

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Abstract

We study the energy-level statistics for electrons in a lateral two-dimensional superlattice in dependence on the strength of the modulation potential at a given perpendicular magnetic field. The interminiband statistics at some selected point in the magnetic Brillouin zone shows a transition from degenerate Landau levels to universal spectral correlations while the corresponding classical ...