Switching the sign of Josephson current through Aharonov-Bohm interferometry

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dc.creatorDolcini, Fabrizio
dc.creatorGiazotto, Francesco
dc.date2006-11-29
dc.date.accessioned2026-07-07T08:05:05Z
dc.date.available2026-07-07T08:05:05Z
dc.descriptionWe investigate the DC Josephson effect in a superconductor-normal metal-superconductor junction where the normal region consists of a ballistic ring. We show that a fully controllable $π$-junction can be realized through the electro-magnetostatic Aharonov-Bohm effect in the ring. The sign and the magnitude of the supercurrent can be tuned by varying the magnetic flux and the gate voltage applied to one arm, around suitable values. The implementation in a realistic set-up is discussed.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0611744
dc.identifierhttp://arxiv.org/abs/cond-mat/0611744
dc.identifierPhys. Rev. B 75, 140511(R) (2007)
dc.identifierdoi:10.1103/PhysRevB.75.140511
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130168
dc.subjectSuperconductivity
dc.subjectMesoscale and Nanoscale Physics
dc.titleSwitching the sign of Josephson current through Aharonov-Bohm interferometry
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