Abstract
We calculate the Hall conductivity in the low frequency limit for a 2d model of independent electrons in the tails of the density of states between the disorder broadened Landau levels. It is shown that there are corrections to the quantized values of σ yx which are proportional to ω2 and to the number of localized states in a given tail of the band. We relate our theoretical results to microwave experiments on GaAs-AlGaAs heterostructures.
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Viehweger, O., Efetov, K.B. (1992). The Frequency-Dependent Deformation of the Hall Plateaus. In: Landwehr, G. (eds) High Magnetic Fields in Semiconductor Physics III. Springer Series in Solid-State Sciences, vol 101. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84408-9_11
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DOI: https://doi.org/10.1007/978-3-642-84408-9_11
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