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Positive cross correlations in a three-terminal quantum dot with ferromagnetic contacts

Positive cross correlations in a three-terminal quantum dot with ferromagnetic contacts

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COTTET, Audrey, Wolfgang BELZIG, Christoph BRUDER, 2004. Positive cross correlations in a three-terminal quantum dot with ferromagnetic contacts. In: Physical Review Letters. 92, 206801

@article{Cottet2004Posit-9324, title={Positive cross correlations in a three-terminal quantum dot with ferromagnetic contacts}, year={2004}, doi={10.1103/PhysRevLett.92.206801}, volume={92}, journal={Physical Review Letters}, author={Cottet, Audrey and Belzig, Wolfgang and Bruder, Christoph}, note={Article Number: 206801} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9324"> <dcterms:title>Positive cross correlations in a three-terminal quantum dot with ferromagnetic contacts</dcterms:title> <dc:creator>Bruder, Christoph</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9324"/> <dcterms:bibliographicCitation>First publ. in: Physical Review Letters, 92 (2004), Article 206801</dcterms:bibliographicCitation> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dc:creator>Belzig, Wolfgang</dc:creator> <dc:format>application/pdf</dc:format> <dc:creator>Cottet, Audrey</dc:creator> <dc:contributor>Bruder, Christoph</dc:contributor> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:contributor>Cottet, Audrey</dc:contributor> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">We study current fluctuations in an interacting three-terminal quantum dot with ferromagnetic leads. For appropriately polarized contacts, the transport through the dot is governed by dynamical spin blockade, i.e., a spin-dependent bunching of tunneling events not present in the paramagnetic case. This leads, for instance, to positive zero-frequency cross correlations of the currents in the output leads even in the absence of spin accumulation on the dot. We include the influence of spin-flip scattering and identify favorable conditions for the experimental observation of this effect with respect to polarization of the contacts and tunneling rates.</dcterms:abstract> <dc:rights>deposit-license</dc:rights> <dcterms:issued>2004</dcterms:issued> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:29Z</dcterms:available> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:29Z</dc:date> </rdf:Description> </rdf:RDF>

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