Deutsch
Müller, G. and Weiss, Dieter and Klitzing, Klaus von and Ploog, K. and Nickel, H. and Schlapp, W. and Lösch, R. (1992) Confinement-Potential Tuning: From Nonlocal to Local Transport. Physical Review B 46, pp. 4336-4339.
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Other URL: http://prola.aps.org/abstract/PRB/v46/i7/p4336_1, http://prb.aps.org/
Abstract
We investigate experimentally the influence of the boundary confining potential on edge channel transport in the quantum Hall regime. It is demonstrated that the steepness of the confining potential and therefore the edge channel separation is much more relevant for transport phenomena observed than "bulk" properties such as the electron mean free path. We change the edge potential by brief illumination using a light-emitting diode and study the crossover from nonlocal to local transport.
| Item Type: | Article | ||||||||
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| Institutions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss | ||||||||
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| Subjects: | 500 Science > 530 Physics | ||||||||
| Status: | Published | ||||||||
| Refereed: | Yes, this version has been refereed | ||||||||
| Created at the University of Regensburg: | Unknown | ||||||||
| Owner: | Universitätsbibliothek Regensburg | ||||||||
| Deposited On: | 25 May 2009 15:19 | ||||||||
| Last Modified: | 28 Oct 2011 15:22 | ||||||||
| Item ID: | 7870 |
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