Open Access
Physical Review Letters, volume 131, issue 7, publication number 076001
Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets
Publication type: Journal Article
Publication date: 2023-08-14
Journal:
Physical Review Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.6
ISSN: 00319007, 10797114
General Physics and Astronomy
Abstract
Antiferromagnets have no net spin splitting on the scale of the superconducting coherence length. Despite this, antiferromagnets have been observed to suppress superconductivity in a similar way as ferromagnets, a phenomenon that still lacks a clear understanding. We find that this effect can be explained by the role of impurities in antiferromagnets. Using quasiclassical Green's functions, we study the proximity effect and critical temperature in diffusive superconductor-metallic antiferromagnet bilayers. The nonmagnetic impurities acquire an effective magnetic component in the antiferromagnet. This not only reduces the critical temperature but also separates the superconducting correlations into short-ranged and long-ranged components, similar to ferromagnetic proximity systems.
Top-30
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Physical Review B
9 publications, 90%
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Mesoscience and Nanotechnology
1 publication, 10%
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American Physical Society (APS)
9 publications, 90%
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Fyhn E. H. et al. Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets // Physical Review Letters. 2023. Vol. 131. No. 7. 076001
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Fyhn E. H., Brataas A., Qaiumzadeh A., Linder J. Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets // Physical Review Letters. 2023. Vol. 131. No. 7. 076001
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TY - JOUR
DO - 10.1103/PhysRevLett.131.076001
UR - https://doi.org/10.1103/PhysRevLett.131.076001
TI - Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets
T2 - Physical Review Letters
AU - Fyhn, Eirik Holm
AU - Brataas, Arne
AU - Qaiumzadeh, Alireza
AU - Linder, Jacob
PY - 2023
DA - 2023/08/14
PB - American Physical Society (APS)
IS - 7
VL - 131
SN - 0031-9007
SN - 1079-7114
ER -
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@article{2023_Fyhn,
author = {Eirik Holm Fyhn and Arne Brataas and Alireza Qaiumzadeh and Jacob Linder},
title = {Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets},
journal = {Physical Review Letters},
year = {2023},
volume = {131},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103/PhysRevLett.131.076001},
number = {7},
doi = {10.1103/PhysRevLett.131.076001}
}