JETP Letters, volume 119, issue 3, pages 233-250
Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review)
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Centre for Advanced Mesoscience and Nanotechnology, Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Russia
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Publication type: Journal Article
Publication date: 2024-01-29
Journal:
JETP Letters
Quartile SCImago
Q2
Quartile WOS
Q4
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
The combination of strongly coupled Cooper pairs and weak superconducting fluctuations is an important prerequisite for achieving high-temperature superconductivity. The review is devoted to the implementation of this condition in multiband superconductors, in which strongly coupled pairs in the shallow conduction band (the Fermi level is close to the band edge) coexist with ordinary, weakly fluctuating Cooper pairs formed in the deep band. As a result of the Josephson coupling between condensates in different bands, such a system is characterized by a high critical coherence temperature due to the presence of strongly coupled pairs and the suppression of superconducting fluctuations. This suppression does not require any special preconditions, and is almost total even if the Josephson coupling between the bands is weak.
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Krasavin A. V. et al. Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review) // JETP Letters. 2024. Vol. 119. No. 3. pp. 233-250.
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Krasavin A. V., VAGOV A. V., Vasenko A. S., Stolyarov V. S., SHANENKO A. A. Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review) // JETP Letters. 2024. Vol. 119. No. 3. pp. 233-250.
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TY - JOUR
DO - 10.1134/s0021364023603755
UR - https://doi.org/10.1134%2Fs0021364023603755
TI - Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review)
T2 - JETP Letters
AU - Krasavin, A V
AU - VAGOV, A. V.
AU - Vasenko, A S
AU - Stolyarov, V. S.
AU - SHANENKO, A. A.
PY - 2024
DA - 2024/01/29 00:00:00
PB - Pleiades Publishing
SP - 233-250
IS - 3
VL - 119
SN - 0021-3640
SN - 1090-6487
ER -
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@article{2024_Krasavin,
author = {A V Krasavin and A. V. VAGOV and A S Vasenko and V. S. Stolyarov and A. A. SHANENKO},
title = {Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review)},
journal = {JETP Letters},
year = {2024},
volume = {119},
publisher = {Pleiades Publishing},
month = {jan},
url = {https://doi.org/10.1134%2Fs0021364023603755},
number = {3},
pages = {233--250},
doi = {10.1134/s0021364023603755}
}
Cite this
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Krasavin, A. V., et al. “Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-review).” JETP Letters, vol. 119, no. 3, Jan. 2024, pp. 233-250. https://doi.org/10.1134%2Fs0021364023603755.