Open Access
Communications Materials, volume 3, issue 1, publication number 95
Magnon-cooparons in magnet-superconductor hybrids
4
Condensed Matter Physics Center (IFIMAC) and Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, Spain
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5
Fachbereich Physik, Universität Konstanz, Konstanz, Germany
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Publication type: Journal Article
Publication date: 2022-12-02
Journal:
Communications Materials
Quartile SCImago
Q1
Quartile WOS
—
Impact factor: 7.7
ISSN: 26624443
General Materials Science
Mechanics of Materials
Abstract
Generation and detection of spinful Cooper pairs in conventional superconductors has been intensely pursued by designing increasingly complex magnet-superconductor hybrids. Here, we demonstrate theoretically that magnons with nonzero wavenumbers universally induce a cloud of spinful 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 spinful 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 spinful triplet Cooper pairs in the simplest magnet-superconductor heterostructures.
Citations by journals
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Physical Review B
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Physical Review B
5 publications, 71.43%
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Europhysics News
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Europhysics News
1 publication, 14.29%
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JETP Letters
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JETP Letters
1 publication, 14.29%
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Citations by publishers
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American Physical Society (APS)
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American Physical Society (APS)
5 publications, 71.43%
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EDP Sciences
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EDP Sciences
1 publication, 14.29%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 14.29%
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Bobkova I. V. et al. Magnon-cooparons in magnet-superconductor hybrids // Communications Materials. 2022. Vol. 3. No. 1. 95
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Bobkova I. V., Bobkov A. M., Kamra A., Belzig W. Magnon-cooparons in magnet-superconductor hybrids // Communications Materials. 2022. Vol. 3. No. 1. 95
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TY - JOUR
DO - 10.1038/s43246-022-00321-8
UR - https://doi.org/10.1038%2Fs43246-022-00321-8
TI - Magnon-cooparons in magnet-superconductor hybrids
T2 - Communications Materials
AU - Bobkova, Irina V
AU - Bobkov, Alexander M
AU - Kamra, Akashdeep
AU - Belzig, W.
PY - 2022
DA - 2022/12/02 00:00:00
PB - Springer Nature
IS - 1
VL - 3
SN - 2662-4443
ER -
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@article{2022_Bobkova,
author = {Irina V Bobkova and Alexander M Bobkov and Akashdeep Kamra and W. Belzig},
title = {Magnon-cooparons in magnet-superconductor hybrids},
journal = {Communications Materials},
year = {2022},
volume = {3},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1038%2Fs43246-022-00321-8},
number = {1},
doi = {10.1038/s43246-022-00321-8}
}