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Article: Supercurrent determined from the Aharonov-Bohm effect in mesoscopic superconducting rings

TitleSupercurrent determined from the Aharonov-Bohm effect in mesoscopic superconducting rings
Authors
KeywordsPhysics
Issue Date1994
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B, 1994, v. 50 n. 10, p. 7207-7210 How to Cite?
AbstractWe have solved the Bogoliubov-de Gennes equation for a clean, one-dimensional mesoscopic superconducting ring threaded by a magnetic flux Φ. We show that the superfluid velocity is driven directly by Φ while the relative motion of the pair of electrons is independent of Φ. Meanwhile, the fluxoid quantization is obtained straightforwardly. More importantly, we have also calculated the supercurrent numerically and self-consistently and find it is periodic in Φ with the period Φshc/2e for Φs≤Φd=(mvdL/ Latin small letter h with strokeπ)Φs and with the period Φ0hc/e for Φd<Φs, which arises from mesoscopic effects. © 1994 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/43226
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, JXen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:41:42Z-
dc.date.available2007-03-23T04:41:42Z-
dc.date.issued1994en_HK
dc.identifier.citationPhysical Review B, 1994, v. 50 n. 10, p. 7207-7210en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43226-
dc.description.abstractWe have solved the Bogoliubov-de Gennes equation for a clean, one-dimensional mesoscopic superconducting ring threaded by a magnetic flux Φ. We show that the superfluid velocity is driven directly by Φ while the relative motion of the pair of electrons is independent of Φ. Meanwhile, the fluxoid quantization is obtained straightforwardly. More importantly, we have also calculated the supercurrent numerically and self-consistently and find it is periodic in Φ with the period Φshc/2e for Φs≤Φd=(mvdL/ Latin small letter h with strokeπ)Φs and with the period Φ0hc/e for Φd<Φs, which arises from mesoscopic effects. © 1994 The American Physical Society.en_HK
dc.format.extent654467 bytes-
dc.format.extent45056 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review Ben_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleSupercurrent determined from the Aharonov-Bohm effect in mesoscopic superconducting ringsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0163-1829&volume=50&issue=10&spage=7207&epage=7210&date=1994&atitle=Supercurrent+determined+from+the+Aharonov-Bohm+effect+in+mesoscopic+superconducting+ringsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.50.7207en_HK
dc.identifier.scopuseid_2-s2.0-0005524814en_HK
dc.identifier.hkuros3240-
dc.identifier.volume50en_HK
dc.identifier.issue10en_HK
dc.identifier.spage7207en_HK
dc.identifier.epage7210en_HK
dc.identifier.isiWOS:A1994PH22200086-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhu, JX=7405688302en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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