Magnon-Cooparons in magnet-superconductor hybrids

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BOBKOVA, Irina V., Alexander M. BOBKOV, Akashdeep KAMRA, Wolfgang BELZIG, 2022. Magnon-Cooparons in magnet-superconductor hybrids

@unpublished{Bobkova2022-03-10T12:32:56ZMagno-56895, title={Magnon-Cooparons in magnet-superconductor hybrids}, year={2022}, author={Bobkova, Irina V. and Bobkov, Alexander M. and Kamra, Akashdeep and Belzig, Wolfgang} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:creator>Belzig, Wolfgang</dc:creator> <dspace:isPartOfCollection rdf:resource=""/> <dc:contributor>Bobkov, Alexander M.</dc:contributor> <bibo:uri rdf:resource=""/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Bobkova, Irina V.</dc:creator> <dcterms:isPartOf rdf:resource=""/> <dc:creator>Bobkov, Alexander M.</dc:creator> <dc:rights>terms-of-use</dc:rights> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dcterms:rights rdf:resource=""/> <dcterms:title>Magnon-Cooparons in magnet-superconductor hybrids</dcterms:title> <dcterms:available rdf:datatype="">2022-03-17T09:41:25Z</dcterms:available> <dc:date rdf:datatype="">2022-03-17T09:41:25Z</dc:date> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:creator>Kamra, Akashdeep</dc:creator> <dc:language>eng</dc:language> <dc:contributor>Bobkova, Irina V.</dc:contributor> <dcterms:issued>2022-03-10T12:32:56Z</dcterms:issued> <dc:contributor>Kamra, Akashdeep</dc:contributor> <dcterms:abstract xml:lang="eng">Generation and detection of spinfull Cooper pairs in conventional superconductors has been intensely pursued by designing increasingly complex magnet-superconductor hybrids. We demonstrate theoretically that magnons with nonzero wavenumbers universally induce a cloud of spinfull triplet Cooper pairs around them in an adjacent conventional superconductor. The resulting composite quasiparticle, termed magnon-cooparon, consists of a spin flip in the magnet screened by a cloud of the spinfull superfluid condensate. Thus, it inherits a large effective mass, which can be measured experimentally. Furthermore, we demonstrate that two magnetic wires deposited on a superconductor serve as a controllable magnonic directional coupler mediated by the nonlocal and composite nature of magnon-cooparons. Our analysis predicts a quasiparticle that enables generation, control, and use of spinfull triplet Cooper pairs in the simplest magnet-superconductor heterostructures.</dcterms:abstract> </rdf:Description> </rdf:RDF>

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