Open Access
Physical Review Letters, volume 121, issue 24, publication number 247702
Spin Splitting Induced in a Superconductor by an Antiferromagnetic Insulator
Publication type: Journal Article
Publication date: 2018-12-14
Journal:
Physical Review Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.6
ISSN: 00319007, 10797114
General Physics and Astronomy
Abstract
Inspired by recent feats in exchange coupling antiferromagnets to an adjacent material, we demonstrate the possibility of employing them for inducing spin splitting in a superconductor, thereby avoiding the detrimental, parasitic effects of ferromagnets employed to this end. We derive the Gor'kov equation for the matrix Green's function in the superconducting layer, considering a microscopic model for its disordered interface with a two-sublattice magnetic insulator. We find that an antiferromagnetic insulator with effectively uncompensated interface induces a large, disorder-resistant spin splitting in the adjacent superconductor. In addition, we find contributions to the self-energy stemming from the interfacial disorder. Within our model, these mimic impurity and spin-flip scattering, while another breaks the symmetries in particle-hole and spin spaces. The latter contribution, however, drops out in the quasi-classical approximation and thus, does not significantly affect the superconducting state.
Top-30
Citations by journals
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25
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Physical Review B
22 publications, 68.75%
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Physical Review Research
2 publications, 6.25%
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Physical Review Letters
2 publications, 6.25%
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New Journal of Physics
1 publication, 3.13%
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Communications Materials
1 publication, 3.13%
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Beilstein Journal of Nanotechnology
1 publication, 3.13%
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Journal of Magnetism and Magnetic Materials
1 publication, 3.13%
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European Physical Journal B
1 publication, 3.13%
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Mesoscience and Nanotechnology
1 publication, 3.13%
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15
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25
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Citations by publishers
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American Physical Society (APS)
26 publications, 81.25%
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Springer Nature
2 publications, 6.25%
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IOP Publishing
1 publication, 3.13%
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Beilstein-Institut
1 publication, 3.13%
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Elsevier
1 publication, 3.13%
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Treatise
1 publication, 3.13%
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5
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kamra A. et al. Spin Splitting Induced in a Superconductor by an Antiferromagnetic Insulator // Physical Review Letters. 2018. Vol. 121. No. 24. 247702
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Kamra A., Rezaei A., Belzig W., Belzig W. Spin Splitting Induced in a Superconductor by an Antiferromagnetic Insulator // Physical Review Letters. 2018. Vol. 121. No. 24. 247702
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TY - JOUR
DO - 10.1103/PhysRevLett.121.247702
UR - https://doi.org/10.1103/PhysRevLett.121.247702
TI - Spin Splitting Induced in a Superconductor by an Antiferromagnetic Insulator
T2 - Physical Review Letters
AU - Kamra, Akashdeep
AU - Rezaei, Ali
AU - Belzig, Wolfgang
AU - Belzig, W.
PY - 2018
DA - 2018/12/14
PB - American Physical Society (APS)
IS - 24
VL - 121
SN - 0031-9007
SN - 1079-7114
ER -
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@article{2018_Kamra,
author = {Akashdeep Kamra and Ali Rezaei and Wolfgang Belzig and W. Belzig},
title = {Spin Splitting Induced in a Superconductor by an Antiferromagnetic Insulator},
journal = {Physical Review Letters},
year = {2018},
volume = {121},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103/PhysRevLett.121.247702},
number = {24},
doi = {10.1103/PhysRevLett.121.247702}
}
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