Superconductor Science and Technology, volume 34, issue 11, pages 115022
Selfconsistent 3D model of SN-N-NS Josephson junctions
Publication type: Journal Article
Publication date: 2021-10-18
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 09532048, 13616668
Materials Chemistry
Metals and Alloys
Ceramics and Composites
Condensed Matter Physics
Electrical and Electronic Engineering
Abstract
We develop a quantitative model describing the distribution of the supercurrent density and density of states in SN-N-NS type Josephson junctions in three dimensions (S is a superconductor and N is a normal metal). The model is based on the self-consistent solution of the quasiclassical Usadel equations using the finite element method. We investigate the influence of the proximity effect on the properties of the junction as a function of phase difference across the structure for various spatial dimensions and material parameters of S, N metals. The results are consistent with analytical solutions in the thin N layer limit and show consistent behavior for a large range of junction parameters. The results may serve to design nanoscale Josephson junctions for use in superconducting digital circuits.
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Bosboom V. et al. Selfconsistent 3D model of SN-N-NS Josephson junctions // Superconductor Science and Technology. 2021. Vol. 34. No. 11. p. 115022.
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Bosboom V., van der Vegt J. J. W., Kupriyanov M. Y., Golubov A. A. Selfconsistent 3D model of SN-N-NS Josephson junctions // Superconductor Science and Technology. 2021. Vol. 34. No. 11. p. 115022.
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TY - JOUR
DO - 10.1088/1361-6668/ac2d79
UR - https://doi.org/10.1088/1361-6668/ac2d79
TI - Selfconsistent 3D model of SN-N-NS Josephson junctions
T2 - Superconductor Science and Technology
AU - Bosboom, V
AU - van der Vegt, J. J. W.
AU - Kupriyanov, Mikhail Yu.
AU - Golubov, Alexander A.
PY - 2021
DA - 2021/10/18
PB - IOP Publishing
SP - 115022
IS - 11
VL - 34
SN - 0953-2048
SN - 1361-6668
ER -
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BibTex
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@article{2021_Bosboom,
author = {V Bosboom and J. J. W. van der Vegt and Mikhail Yu. Kupriyanov and Alexander A. Golubov},
title = {Selfconsistent 3D model of SN-N-NS Josephson junctions},
journal = {Superconductor Science and Technology},
year = {2021},
volume = {34},
publisher = {IOP Publishing},
month = {oct},
url = {https://doi.org/10.1088/1361-6668/ac2d79},
number = {11},
pages = {115022},
doi = {10.1088/1361-6668/ac2d79}
}
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MLA
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Bosboom, V., et al. “Selfconsistent 3D model of SN-N-NS Josephson junctions.” Superconductor Science and Technology, vol. 34, no. 11, Oct. 2021, p. 115022. https://doi.org/10.1088/1361-6668/ac2d79.