Magnon-Cooparons in magnet-superconductor hybrids
| dc.contributor.author | Bobkova, Irina V. | |
| dc.contributor.author | Bobkov, Alexander M. | |
| dc.contributor.author | Kamra, Akashdeep | |
| dc.contributor.author | Belzig, Wolfgang | |
| dc.date.accessioned | 2022-12-15T10:16:46Z | |
| dc.date.available | 2022-12-15T10:16:46Z | |
| dc.date.issued | 2022-03-10T12:32:56Z | eng |
| dc.description.abstract | 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. | eng |
| dc.description.version | published | eng |
| dc.identifier.arxiv | 2203.05336 | eng |
| dc.identifier.doi | 10.1038/s43246-022-00321-8 | eng |
| dc.identifier.ppn | 1827180617 | |
| dc.identifier.uri | https://kops.uni-konstanz.de/handle/123456789/56895.2 | |
| dc.language.iso | eng | eng |
| dc.rights | terms-of-use | |
| dc.rights.uri | https://rightsstatements.org/page/InC/1.0/ | |
| dc.subject | Magnons, Cooper pairs, superconductors | eng |
| dc.subject.ddc | 530 | eng |
| dc.title | Magnon-Cooparons in magnet-superconductor hybrids | eng |
| dc.type | JOURNAL_ARTICLE | eng |
| dspace.entity.type | Publication | |
| kops.citation.bibtex | @article{Bobkova2022-03-10T12:32:56ZMagno-56895.2,
year={2022},
doi={10.1038/s43246-022-00321-8},
title={Magnon-Cooparons in magnet-superconductor hybrids},
volume={3},
journal={Communications Materials},
author={Bobkova, Irina V. and Bobkov, Alexander M. and Kamra, Akashdeep and Belzig, Wolfgang},
note={Deutsche Forschungsgemeinschaft (DFG; German Research Foundation) via a DFG-RSF project (ID 443404566) Article Number: 95}
} | |
| kops.citation.iso690 | BOBKOVA, Irina V., Alexander M. BOBKOV, Akashdeep KAMRA, Wolfgang BELZIG, 2022. Magnon-Cooparons in magnet-superconductor hybrids. In: Communications Materials. Springer Nature. 2022, 3, 95. eISSN 2662-4443. Available under: doi: 10.1038/s43246-022-00321-8 | deu |
| kops.citation.iso690 | BOBKOVA, Irina V., Alexander M. BOBKOV, Akashdeep KAMRA, Wolfgang BELZIG, 2022. Magnon-Cooparons in magnet-superconductor hybrids. In: Communications Materials. Springer Nature. 2022, 3, 95. eISSN 2662-4443. Available under: doi: 10.1038/s43246-022-00321-8 | eng |
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<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>
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| kops.description.comment | Deutsche Forschungsgemeinschaft (DFG; German Research Foundation) via a DFG-RSF project (ID 443404566) | eng |
| kops.description.openAccess | openaccessgold | eng |
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| kops.identifier.nbn | urn:nbn:de:bsz:352-2-hfnpswwg2f0l9 | |
| kops.sourcefield | Communications Materials. Springer Nature. 2022, <b>3</b>, 95. eISSN 2662-4443. Available under: doi: 10.1038/s43246-022-00321-8 | deu |
| kops.sourcefield.plain | Communications Materials. Springer Nature. 2022, 3, 95. eISSN 2662-4443. Available under: doi: 10.1038/s43246-022-00321-8 | deu |
| kops.sourcefield.plain | Communications Materials. Springer Nature. 2022, 3, 95. eISSN 2662-4443. Available under: doi: 10.1038/s43246-022-00321-8 | eng |
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| source.bibliographicInfo.articleNumber | 95 | eng |
| source.bibliographicInfo.volume | 3 | eng |
| source.identifier.eissn | 2662-4443 | eng |
| source.periodicalTitle | Communications Materials | eng |
| source.publisher | Springer Nature | eng |
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