Size-resonance effect in cylindrical superconducting nanowire

We investigate the dependence of the basic superconducting quantities - the order parameter, energy gap and critical temperature - on the quantum confinement of a nanoscale superconductor in the clean limit. The Bogoliubov-de Gennes equations are solved numerically for a Pb nanowire in the clean li...

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Auteur principal: Croitoru, Marin
Format: article
Langue:EN
Publié: D.Ghitu Institute of Electronic Engineering and Nanotechnologies 2007
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Accès en ligne:https://doaj.org/article/19d7f1c9bf334610ae9c7ec875c95d2d
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Résumé:We investigate the dependence of the basic superconducting quantities - the order parameter, energy gap and critical temperature - on the quantum confinement of a nanoscale superconductor in the clean limit. The Bogoliubov-de Gennes equations are solved numerically for a Pb nanowire in the clean limit with cylindrical cross section. Strong size superconducting resonances are found in the critical temperature of a Pb nanowire.