Quasi-particle transport in microjunctions employing normal metal/superconductor interfaces in the presence of a magnetic field

Francesco Tafuri; Alessandro Di Chiara; Fabrizio Fontana; Filomena Lombardi; Giuseppe Peluso

doi:10.1117/12.241766

10 June 1996 Quasi-particle transport in microjunctions employing normal metal/superconductor interfaces in the presence of a magnetic field

Francesco Tafuri, Alessandro Di Chiara, Fabrizio Fontana, Filomena Lombardi, Giuseppe Peluso

Author Affiliations +

Proceedings Volume 2696, Spectroscopic Studies of Superconductors; (1996) https://doi.org/10.1117/12.241766
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Quasiparticle transport in superconductor/normal metal-constriction-normal metal (S₁/N₁-c-N₂) microjunctions is investigated. Concepts of proximity effect and Andreev reflection are used in the model we propose. Attention is focused in particular on the influence of the magnetic field on zero bias anomaly (ZBA) phenomena observed in conductance spectra. Among the results, we find that the zero bias conductance is almost insensitive to the applied magnetic field in the metallic regime of a microjunction. Comparisons with experimental results are carried out.

Citation Download Citation

Francesco Tafuri, Alessandro Di Chiara, Fabrizio Fontana, Filomena Lombardi, and Giuseppe Peluso "Quasi-particle transport in microjunctions employing normal metal/superconductor interfaces in the presence of a magnetic field", Proc. SPIE 2696, Spectroscopic Studies of Superconductors, (10 June 1996); https://doi.org/10.1117/12.241766

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