Physical Review B, volume 88, issue 21, publication number 214512
Pressure-induced 0-π
Publication type: Journal Article
Publication date: 2013-12-16
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
We compute self-consistently the Josephson current in a superconductor-antiferromagnet-superconductor junction using a lattice model, focusing on $0\ensuremath{-}\ensuremath{\pi}$ transitions occurring when the width of the antiferromagnetic region changes from an even to an odd number of lattice sites. Previous studies predicted $0\ensuremath{-}\ensuremath{\pi}$ transitions when alternating between an even and an odd number of sites for sufficiently strong antiferromagnetic order. We study numerically the magnitude of the threshold value for this to occur, and also explain the physics behind its existence in terms of the phase shifts picked up by the quasiparticles constituting the supercurrent in the antiferromagnet. Moreover, we show that this threshold value allows for pressure-induced $0\ensuremath{-}\ensuremath{\pi}$ transitions by destroying the antiferromagnetic nesting properties of the Fermi surface, a phenomenon which has no counterpart in ferromagnetic Josephson junctions, offering a way to tune the quantum ground state of a Josephson junction without the need for multiple samples.
Top-30
Citations by journals
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Physical Review B
9 publications, 60%
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Physical Review Research
1 publication, 6.67%
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Physical Review X
1 publication, 6.67%
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Physical Review Letters
1 publication, 6.67%
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Europhysics Letters
1 publication, 6.67%
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Journal Physics D: Applied Physics
1 publication, 6.67%
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Mesoscience and Nanotechnology
1 publication, 6.67%
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Citations by publishers
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2
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12
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American Physical Society (APS)
12 publications, 80%
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IOP Publishing
2 publications, 13.33%
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Treatise
1 publication, 6.67%
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12
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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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Enoksen H., Linder J., Sudbø A. Pressure-induced 0-πtransitions and supercurrent crossover in antiferromagnetic weak links // Physical Review B. 2013. Vol. 88. No. 21. 214512
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Enoksen H., Linder J., Sudbø A. Pressure-induced 0-πtransitions and supercurrent crossover in antiferromagnetic weak links // Physical Review B. 2013. Vol. 88. No. 21. 214512
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TY - JOUR
DO - 10.1103/PhysRevB.88.214512
UR - https://doi.org/10.1103/PhysRevB.88.214512
TI - Pressure-induced 0-πtransitions and supercurrent crossover in antiferromagnetic weak links
T2 - Physical Review B
AU - Enoksen, Henrik
AU - Linder, Jacob
AU - Sudbø, Asle
PY - 2013
DA - 2013/12/16
PB - American Physical Society (APS)
IS - 21
VL - 88
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2013_Enoksen,
author = {Henrik Enoksen and Jacob Linder and Asle Sudbø},
title = {Pressure-induced 0-πtransitions and supercurrent crossover in antiferromagnetic weak links},
journal = {Physical Review B},
year = {2013},
volume = {88},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103/PhysRevB.88.214512},
number = {21},
doi = {10.1103/PhysRevB.88.214512}
}