Exact density of states of a two-dimensional electron gas in a strong magnetic field and a long-range correlated random potential
Lothar Spies, Walter Apel, Bernhard Kramer
Abstract
We derive an exact result for the averaged Feynman propagator and the corresponding density of states of an electron in two dimensions in a perpendicular homogeneous magnetic field and a Gaussian random potential with long-range spatial correlations described by a quadratic correlation function.
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