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Local spectroscopy of edge channels in the quantum Hall regime with local probe techniques

Ihn, Thomas and Rychen, J. and Vancura, T. and Ensslin, Klaus and Wegscheider, Werner and Bichler, Max (2002) Local spectroscopy of edge channels in the quantum Hall regime with local probe techniques. Physica E Low-dimensional Systems and Nanostructures 13 (2-4), pp. 671-674.

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Abstract

We present measurements of the tunnelling conductance between edge channels in the quantum Hall regime. By using a local potential perturbation induced by the tip of a scanning force microscope we are able to enhance the tunnelling coupling and map its strength along the edge of the two-dimensional electron gas. It is suggested that the presented method is promising for the local investigation of ...

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Item Type:Article
Date:March 2002
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/S1386-9477(02)00255-2DOI
Keywords:Quantum Hall effect; Edge channels; Scanning probe techniques
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:07 Dec 2009 13:20
Last Modified:13 Mar 2014 12:15
Item ID:11313
Owner Only: item control page
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