Mesoscopic transport properties of composite fermions

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DOIResolve DOI: http://doi.org/10.1016/0039-6028(96)00352-4
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TypeArticle
Journal titleSurface Science
Volume361-362
Pages5962; # of pages: 4
SubjectElectrical transport; Electrical transport measurements; Gallium arsenide; Heterojunctions; Many body and quasi-particle theories; Semiconductor--semiconductor heterostructures
AbstractWe have measured the magnetoresistance of quantum wires, junctions and rings near Landau filling factor v = 1/2 to search for effects due to composite fermions (CF). We find evidence for semi-classical ballistic effects in the CF which are similar to those seen near zero magnetic field. However, we were not able to observe effects due to the phase coherence of the CF, even where their analogues were apparent in the electron transport. We attribute this to sample inhomogeneity.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedYes
NPARC number12338860
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Record identifier40909353-9ab0-4b73-8919-379e1fd8e496
Record created2009-09-11
Record modified2016-05-09
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