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Phase separation of edge states in the integer quantum Hall regime
Coulomb effects on the edge states of a two-dimensional electron gas in the presence of a high magnetic field are studied for different widths of the boundaries. Schro\ifmmode\ddot\else\textasciidieresis\fi{}dinger and Poisson equations are self-consistently solved in the integer quantum Hall regime. Regions of flat bands at the Fermi level appear for …