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Composite Fermions in a weakly density modulated 2DEG: Directive evidence of a periodic magnetic field around n=1/2

Jobst, S and Zwerschke, S and Smet, J and Gerhardts, R and Weiss, Dieter and Klitzing, K and Umanski, V (2000) Composite Fermions in a weakly density modulated 2DEG: Directive evidence of a periodic magnetic field around n=1/2. Physica E 6, p. 87.

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Other URL: http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6VMT-3YSY07V-R-1K&_cdi=6159&_user=616165&_orig=search&_coverDate=02%2F29%2F2000&_sk=999939998&view=c&wchp=dGLbVtz-zSkWA&md5=f228e11706c38b38f6688beb3a644551&ie=/sdarticle.pdf, http://www.sciencedirect.com/science/journal/13869477


Abstract

We investigate the magnetoresistance of a weakly density modulated high mobility two- dimensional electron system around filling factor . The density modulation with periods a between 300 nm and 500 nm was generated by in situ interferometric illumination. At low B we found commensurability oscillations of the magnetoresistance characteristic for transport in weak electrostatic potentials ...

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Export bibliographical data

Item Type:Article
Date:2000
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Claudia Rahm
Deposited On:25 May 2009 13:20
Last Modified:05 Aug 2009 13:57
Item ID:7907
Owner Only: item control page
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