Multilayer high-temperature superconductors

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

    Research output: Contribution to journalArticlepeer-review

    2 Scopus citations


    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 languageBritish English
    Pages (from-to)228-234
    Number of pages7
    JournalPhysica C: Superconductivity and its applications
    Issue number1-2
    StatePublished - 15 May 1993


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