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Spin-entangled electrons in mesoscopic systems

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BURKARD, Guido, Eugene V. SUKHORUKOV, Patrik RECHER, Daniel LOSS, 2001. Spin-entangled electrons in mesoscopic systems. In: Physics Uspekhi. 44(10), pp. 126-131. ISSN 0038-5670. eISSN 1468-4780. Available under: doi: 10.1070/1063-7869/44/10S/S28

@article{Burkard2001Spine-29155, title={Spin-entangled electrons in mesoscopic systems}, year={2001}, doi={10.1070/1063-7869/44/10S/S28}, number={10}, volume={44}, issn={0038-5670}, journal={Physics Uspekhi}, pages={126--131}, author={Burkard, Guido and Sukhorukov, Eugene V. and Recher, Patrik and Loss, Daniel} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:issued>2001</dcterms:issued> <dc:creator>Burkard, Guido</dc:creator> <dc:contributor>Loss, Daniel</dc:contributor> <dc:date rdf:datatype="">2014-10-21T10:30:26Z</dc:date> <dc:language>eng</dc:language> <dc:contributor>Recher, Patrik</dc:contributor> <dspace:isPartOfCollection rdf:resource=""/> <dc:creator>Sukhorukov, Eugene V.</dc:creator> <dcterms:title>Spin-entangled electrons in mesoscopic systems</dcterms:title> <bibo:uri rdf:resource=""/> <dcterms:isPartOf rdf:resource=""/> <dc:contributor>Sukhorukov, Eugene V.</dc:contributor> <dc:contributor>Burkard, Guido</dc:contributor> <dcterms:abstract xml:lang="eng">Entanglement acts as a fundamental resource for many applications in quantum communication. We propose and theoretically analyze methods for preparing and detecting entanglement between the spins of electrons in a mesoscopic environment. The entanglement production mechanism which we present is based on two quantum dots coupled to a superconductor from which paired electrons are injected via Andreev tunneling. The spin-correlated electrons can then hop from the quantum dots into normal leads. For detection we propose to measure the shot noise which is produced by the entangled electrons after they have passed a beam splitter. The enhancement of the noise by a factor of two turns out to be a unique signature for the spin singlet, a maximally entangled state. In a different setting, the entangled ground state in two tunnel-coupled quantum dots is detected via the Aharonov–Bohm oscillations in the co-tunneling current.</dcterms:abstract> <dcterms:available rdf:datatype="">2014-10-21T10:30:26Z</dcterms:available> <dc:creator>Recher, Patrik</dc:creator> <dc:creator>Loss, Daniel</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> </rdf:Description> </rdf:RDF>

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