Josephson current in Fe-based superconducting junctions: Theory and experiment
A. V. Burmistrova
1
,
I.A. Devyatov
2
,
Alexander A Golubov
3
,
Keiji Yada
4
,
Yukio TANAKA
5
,
M. Tortello
6
,
R. S. GONNELLI
6
,
R.S. Gonnelli
6
,
V. A. STEPANOV
7
,
Xiaxin Ding
8
,
Xiang-Dong Ding
8
,
Hai-Hu Wen
8
,
L. H. Greene
9
,
Laura A. Greene
9
7
Publication type: Journal Article
Publication date: 2015-06-02
scimago Q1
wos Q2
SJR: 1.303
CiteScore: 6.2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
We present a theory of the dc Josephson effect in contacts between Fe-based and spin-singlet s-wave superconductors. The method is based on the calculation of temperature Green's function in the junction within the tight-binding model. We calculate the phase dependencies of the Josephson current for different orientations of the junction relative to the crystallographic axes of Fe-based superconductor. Further, we consider the dependence of the Josephson current on the thickness of an insulating layer and on temperature. Experimental data for PbIn/Ba1−xKx(FeAs)2 point-contact Josephson junctions are consistent with theoretical predictions for s± symmetry of an order parameter in this material. The proposed method can be further applied to calculations of the dc Josephson current in contacts with other new unconventional multiorbital superconductors, such as Sr2RuO4 and the superconducting topological insulator CuxBi2Se3.
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Total citations:
29
Citations from 2024:
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(6%)
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Burmistrova A. V. et al. Josephson current in Fe-based superconducting junctions: Theory and experiment // Physical Review B. 2015. Vol. 91. No. 21. 214501
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Burmistrova A. V., Devyatov I., Golubov A. A., Golubov A. A., Yada K., TANAKA Y., Tortello M., GONNELLI R. S., Gonnelli R., STEPANOV V. A., Ding X., Ding X., Wen H., Greene L. H., Greene L. A. Josephson current in Fe-based superconducting junctions: Theory and experiment // Physical Review B. 2015. Vol. 91. No. 21. 214501
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TY - JOUR
DO - 10.1103/PhysRevB.91.214501
UR - https://doi.org/10.1103/PhysRevB.91.214501
TI - Josephson current in Fe-based superconducting junctions: Theory and experiment
T2 - Physical Review B
AU - Burmistrova, A. V.
AU - Devyatov, I.A.
AU - Golubov, Alexander A
AU - Golubov, Alexander A.
AU - Yada, Keiji
AU - TANAKA, Yukio
AU - Tortello, M.
AU - GONNELLI, R. S.
AU - Gonnelli, R.S.
AU - STEPANOV, V. A.
AU - Ding, Xiaxin
AU - Ding, Xiang-Dong
AU - Wen, Hai-Hu
AU - Greene, L. H.
AU - Greene, Laura A.
PY - 2015
DA - 2015/06/02
PB - American Physical Society (APS)
IS - 21
VL - 91
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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BibTex (up to 50 authors)
Copy
@article{2015_Burmistrova,
author = {A. V. Burmistrova and I.A. Devyatov and Alexander A Golubov and Alexander A. Golubov and Keiji Yada and Yukio TANAKA and M. Tortello and R. S. GONNELLI and R.S. Gonnelli and V. A. STEPANOV and Xiaxin Ding and Xiang-Dong Ding and Hai-Hu Wen and L. H. Greene and Laura A. Greene},
title = {Josephson current in Fe-based superconducting junctions: Theory and experiment},
journal = {Physical Review B},
year = {2015},
volume = {91},
publisher = {American Physical Society (APS)},
month = {jun},
url = {https://doi.org/10.1103/PhysRevB.91.214501},
number = {21},
pages = {214501},
doi = {10.1103/PhysRevB.91.214501}
}
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