Grayson, M. and Huber, Michael and Rother, Martin and Biberacher, W. and Wegscheider, Werner and Bichler, Max and Abstreiter, Gerhard
Experimental demonstration of a sharp quantum Hall edge.
Physica E Low-dimensional Systems and Nanostructures 25 (2-3), pp. 212-218.
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This article highlights the history of the quantum Hall edge, focusing on the distinction between sharp and smooth edges. We then introduce an edge-tunneling geometry consisting of two orthogonal quantum wells wherein magneto-tunneling measurements at a cleaved-edge overgrown quantum Hall edge are made. Peaks in the tunnel conductance are shown to arise from momentum conserved tunneling into ...
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