Edge Channel Dominated Magnetotransport in PbTe Wide Parabolic Quantum Wells
J. Oswald, G. Span, A. Homer, G. Heigl, P. Ganitzer, D. K. Maude, J. C. Portal
Abstract
In PbTe wide parabolic quantum wells (WPQW) a plateau-like structure is observed in the Hall resistance, which corresponds to the Shubnikov-de Haas oscillations in the same manner as known from the quantum Hall effect. At the same time a non-local signal is observed which corresponds to the structure in Rxx and Rxy. We find a striking correspondence between a standard quantum Hall system and this quasi 3D WPQW system.
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