Proximity Effect and Multiple Andreev Reflections in Gold Atomic Contacts


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SCHEER, Elke, Wolfgang BELZIG, Yehuda NAVEH, Michel H. DEVORET, Daniel ESTEVE, Cristián URBINA, 2001. Proximity Effect and Multiple Andreev Reflections in Gold Atomic Contacts. In: Physical Review Letters. 86(2), pp. 284-287

@article{Scheer2001Proxi-9417, title={Proximity Effect and Multiple Andreev Reflections in Gold Atomic Contacts}, year={2001}, doi={10.1103/PhysRevLett.86.284}, number={2}, volume={86}, journal={Physical Review Letters}, pages={284--287}, author={Scheer, Elke and Belzig, Wolfgang and Naveh, Yehuda and Devoret, Michel H. and Esteve, Daniel and Urbina, Cristián} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:rights rdf:resource=""/> <dc:format>application/pdf</dc:format> <dc:contributor>Devoret, Michel H.</dc:contributor> <dc:creator>Devoret, Michel H.</dc:creator> <dc:creator>Esteve, Daniel</dc:creator> <dc:creator>Urbina, Cristián</dc:creator> <dc:contributor>Belzig, Wolfgang</dc:contributor> <bibo:uri rdf:resource=""/> <dc:date rdf:datatype="">2011-03-24T17:56:20Z</dc:date> <dc:contributor>Esteve, Daniel</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Physical Review Letters 86 (2001), 2, pp. 284-287</dcterms:bibliographicCitation> <dcterms:available rdf:datatype="">2011-03-24T17:56:20Z</dcterms:available> <dc:language>eng</dc:language> <dcterms:issued>2001</dcterms:issued> <dc:contributor>Scheer, Elke</dc:contributor> <dc:contributor>Naveh, Yehuda</dc:contributor> <dc:creator>Naveh, Yehuda</dc:creator> <dc:rights>deposit-license</dc:rights> <dc:creator>Scheer, Elke</dc:creator> <dc:contributor>Urbina, Cristián</dc:contributor> <dc:creator>Belzig, Wolfgang</dc:creator> <dcterms:title>Proximity Effect and Multiple Andreev Reflections in Gold Atomic Contacts</dcterms:title> <dcterms:abstract xml:lang="eng">We investigate the electronic transport properties of gold point contacts with superconducting aluminum leads. The modifications induced by the proximity effect in the quasiparticle density of states at the contact region are measured by tunnel spectroscopy. The theory of transport through multiple Andreev reflections is extended to incorporate these effects and used to determine the number and transmission coefficients of the conduction channels in the contact regime. We find that the smallest contacts, formed by one gold atom between the electrodes, contribute one single channel to the transport with variable transmission T between 0.1 and 1.</dcterms:abstract> </rdf:Description> </rdf:RDF>

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