Multilayer high-temperature superconductors

N. Lazarides; T. Schneider; M. P. Sørensen

doi:10.1016/0921-4534(93)90028-O

Multilayer high-temperature superconductors

N. Lazarides, T. Schneider, M. P. Sørensen

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Using the BCS approach and a tightbinding description of the band structure, we explore some superconducting properties of layered superconductors. Particular emphasis is devoted to the interlayer pairing interaction g₃. Negative values of g₃ lead to a staggered order parameter, having alternating signs from layer to layer, while g₃ positive leads to one sign only. Adopting a superconducting loop, interrupted by a multilayer, it is shown that the sign of g₃ can be determined experimentally. The same holds for a DC SQUID configuration, consisting of two multilayer Josephson junctions in a loop, and for an AC SQUID.

Original language	British English
Pages (from-to)	228-234
Number of pages	7
Journal	Physica C: Superconductivity and its applications
Volume	210
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(93)90028-O
State	Published - 15 May 1993

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title = "Multilayer high-temperature superconductors",

abstract = "Using the BCS approach and a tightbinding description of the band structure, we explore some superconducting properties of layered superconductors. Particular emphasis is devoted to the interlayer pairing interaction g3. Negative values of g3 lead to a staggered order parameter, having alternating signs from layer to layer, while g3 positive leads to one sign only. Adopting a superconducting loop, interrupted by a multilayer, it is shown that the sign of g3 can be determined experimentally. The same holds for a DC SQUID configuration, consisting of two multilayer Josephson junctions in a loop, and for an AC SQUID.",

author = "N. Lazarides and T. Schneider and S{\o}rensen, {M. P.}",

note = "Funding Information: This work is supported by the Danish National Science Research Council (Grant Nos. 1l -7075 and 1l -9706) and the EC Science programme (Contract No. SCI/0229-C(AM) ). P.L. Christiansen, A. Ustinov and P. Gueret are gratefully acknowledgedf or helpful discussions and suggestions.T S also thanks the MIDIT for the hospitality.",

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AU - Lazarides, N.

AU - Schneider, T.

AU - Sørensen, M. P.

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PY - 1993/5/15

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N2 - Using the BCS approach and a tightbinding description of the band structure, we explore some superconducting properties of layered superconductors. Particular emphasis is devoted to the interlayer pairing interaction g3. Negative values of g3 lead to a staggered order parameter, having alternating signs from layer to layer, while g3 positive leads to one sign only. Adopting a superconducting loop, interrupted by a multilayer, it is shown that the sign of g3 can be determined experimentally. The same holds for a DC SQUID configuration, consisting of two multilayer Josephson junctions in a loop, and for an AC SQUID.

AB - Using the BCS approach and a tightbinding description of the band structure, we explore some superconducting properties of layered superconductors. Particular emphasis is devoted to the interlayer pairing interaction g3. Negative values of g3 lead to a staggered order parameter, having alternating signs from layer to layer, while g3 positive leads to one sign only. Adopting a superconducting loop, interrupted by a multilayer, it is shown that the sign of g3 can be determined experimentally. The same holds for a DC SQUID configuration, consisting of two multilayer Josephson junctions in a loop, and for an AC SQUID.

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Multilayer high-temperature superconductors

Abstract

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