The enhancement of the superconductive transition temperature in quasi-2D materials in a parallel magnetic field

It is shown that a strong enhancement of the superconductive transition temperature is possible in quasi-2D materials when a high parallel magnetic field is applied. Under these circumstances the intralayer triplet pairing of the BCS-type takes place. This pairing originates from the very strong 2D...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 1993-12, Vol.218 (1), p.75-81
Main Authors: Baranov, M.A., Efremov, D.V., Kagan, M.Yu
Format: Article
Language:English
Subjects:
Bcs theory and its development
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Superconductivity
Theory and models of superconducting state
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Summary:It is shown that a strong enhancement of the superconductive transition temperature is possible in quasi-2D materials when a high parallel magnetic field is applied. Under these circumstances the intralayer triplet pairing of the BCS-type takes place. This pairing originates from the very strong 2D Kohn anomaly in the effective interaction between two electrons in one layer through the polarization of the electrons of the same layer. The possibilities of the experimental observation of this phenomena in real substances are discussed.
ISSN:0921-4534
1873-2143
DOI:10.1016/0921-4534(93)90268-U