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2017 | 131 | 4 | 1051-1053
Article title

On the Magnetic Penetration Depth in Superconducting Ultrathin Lead Films

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Abstracts
EN
In the present paper, we report a theoretical study of the magnetic London penetration depth in ultrathin Pb films consisting of five to ten monolayers. Our calculations were performed within the framework of the strong-coupling approach. We observed that for thin films, the thermodynamic parameter exhibits an oscillatory behaviour connected with a quantum size effect. Moreover, we proved that the London penetration depth of Pb films cannot be correctly described using the Bardeen-Cooper-Schrieffer theory of superconductivity due to the strong-coupling and retardation effects. The Eliashberg theory, used in this paper, goes beyond the BCS theory to include these effects which allows to describe the superconducting state on the quantitative level.
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Year
Volume
131
Issue
4
Pages
1051-1053
Physical description
Dates
published
2017-04
Contributors
author
  • Institute of Physics, Częstochowa University of Technology, Av. Armii Krajowej 19, 42-200 Częstochowa, Poland
  • Institute of Physics, Częstochowa University of Technology, Av. Armii Krajowej 19, 42-200 Częstochowa, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv131n4144kz
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