Josephson fffect in SFXSF junctions


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CHTCHELKATCHEV, Nikolai M., Wolfgang BELZIG, Christoph BRUDER, 2002. Josephson fffect in SFXSF junctions. In: JETP Letters. 75(12), pp. 646-650. Available under: doi: 10.1134/1.1503330

@article{Chtchelkatchev2002Josep-4819, title={Josephson fffect in SFXSF junctions}, year={2002}, doi={10.1134/1.1503330}, number={12}, volume={75}, journal={JETP Letters}, pages={646--650}, author={Chtchelkatchev, Nikolai M. and Belzig, Wolfgang and Bruder, Christoph} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dspace:isPartOfCollection rdf:resource=""/> <dc:date rdf:datatype="">2011-03-24T14:50:34Z</dc:date> <dcterms:abstract xml:lang="eng">We investigate the Josephson effect in SFXSF junctions, where SF is a superconducting material with a ferromagnetic exchange field, and X is a weak link. The critical current Ic increases with the (antiparallel) exchange fields, if the distribution of transmission eigenvalues of the X layer has its maximum weight at small values. This exchange-field enhancement of the supercurrent does not exist if X is a diffusive normal metal. At low temperatures, there is a correspondence between the critical current in an SFISF junction with collinear orientations of the two exchange fields, and the AC supercurrent amplitude in an SIS tunnel junction. The difference in the exchange fields h 1-h 2 in an SFISF junction corresponds to the potential difference V 1-V 2 in an SIS junction; i.e., the singularity in Ic [in an SFISF junction] at |h1-h2|=Δ1+Δ2 is the analogue of the Riedel peak. We also discuss the AC Josephson effect in SFISF junctions.</dcterms:abstract> <dc:creator>Bruder, Christoph</dc:creator> <dcterms:issued>2002</dcterms:issued> <dc:creator>Chtchelkatchev, Nikolai M.</dc:creator> <dcterms:isPartOf rdf:resource=""/> <dcterms:rights rdf:resource=""/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:language>eng</dc:language> <dcterms:available rdf:datatype="">2011-03-24T14:50:34Z</dcterms:available> <bibo:uri rdf:resource=""/> <dc:creator>Belzig, Wolfgang</dc:creator> <dspace:hasBitstream rdf:resource=""/> <dc:contributor>Chtchelkatchev, Nikolai M.</dc:contributor> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dcterms:title>Josephson fffect in SFXSF junctions</dcterms:title> <dcterms:hasPart rdf:resource=""/> <dc:rights>terms-of-use</dc:rights> <dc:contributor>Bruder, Christoph</dc:contributor> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dcterms:bibliographicCitation>First publ. in: JETP Letters 75 (2002), 12, pp. 646-650</dcterms:bibliographicCitation> <dc:format>application/pdf</dc:format> </rdf:Description> </rdf:RDF>

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