High magnetic field superconductivity in a two-band superconductor
Publication type: Journal Article
Publication date: 2023-05-19
scimago Q1
wos Q2
SJR: 1.303
CiteScore: 6.2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
We present a mechanism allowing for superconductivity at high magnetic fields, beyond the Pauli-Chandrasekhar-Clogston limit. We consider spin splitting induced by an in-plane external magnetic field in a superconductor with two relevant bands close to the Fermi level. The magnetic field therefore controls which bands are available for Cooper pair formation. The presence of interband superconducting pairing, i.e., Cooper pairs formed by electrons with different band indices, produces high-field reentrant superconducting domains, whose critical magnetic field violates the Pauli-Chandrasekhar-Clogston limit. We analyze how the interband superconducting domains are influenced by the band parameters, and show that, for a certain range of parameters, the system presents two separate superconducting regions, for low and high magnetic field.
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Metrics
9
Total citations:
9
Citations from 2024:
7
(77.78%)
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Salamone T. et al. High magnetic field superconductivity in a two-band superconductor // Physical Review B. 2023. Vol. 107. No. 17. 174516
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Salamone T., Hugdal H. G., Jacobsen S. H., Amundsen M. High magnetic field superconductivity in a two-band superconductor // Physical Review B. 2023. Vol. 107. No. 17. 174516
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TY - JOUR
DO - 10.1103/physrevb.107.174516
UR - https://doi.org/10.1103/physrevb.107.174516
TI - High magnetic field superconductivity in a two-band superconductor
T2 - Physical Review B
AU - Salamone, Tancredi
AU - Hugdal, Henning G.
AU - Jacobsen, Sol H.
AU - Amundsen, Morten
PY - 2023
DA - 2023/05/19
PB - American Physical Society (APS)
IS - 17
VL - 107
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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BibTex (up to 50 authors)
Copy
@article{2023_Salamone,
author = {Tancredi Salamone and Henning G. Hugdal and Sol H. Jacobsen and Morten Amundsen},
title = {High magnetic field superconductivity in a two-band superconductor},
journal = {Physical Review B},
year = {2023},
volume = {107},
publisher = {American Physical Society (APS)},
month = {may},
url = {https://doi.org/10.1103/physrevb.107.174516},
number = {17},
pages = {174516},
doi = {10.1103/physrevb.107.174516}
}
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