Quantum Interference in Artificial Band Structures

DOI to cite this document:: 10.5283/epub.11167

Deutschmann, R. A. ; Wegscheider, Werner ; Rother, M. ; Bichler, Max ; Abstreiter, Gerhard ; Albrecht, C. ; Smet, J. H.

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Date of publication of this fulltext: 30 Nov 2009 13:34

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Abstract

Magnetotransport experiments on two-dimensional electron systems with an atomically precise, one-dimensional potential modulation reveal striking quantum interference oscillations. Within a semiclassical framework, they are recognized either as self-interference along closed orbits, many of them rendered possible by magnetic breakdown between Fermi contour segments of the artificial band ...