Non Local Transport in PbTe Wide Parabolic Quantum Wells
J. Oswald, G. Heigl, G. Span, A. Homer, P. Ganitzer, D. K. Maude, J. C. Portal
Abstract
The results of non-local experiments in different contact configurations are discussed in terms of a non-local behaviour of the contact arms. It is shown that the observed reproducible fluctuations can be understood to result from fluctuations of a non-local bulk current in the contact arms. The fluctuations are explained by edge channel backscattering because of potential fluctuations in the bulk region.
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