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Article: Parametric quantum spin pump

TitleParametric quantum spin pump
Authors
Zheng, WWu, JWang, BWang, JSun, QGuo, H
KeywordsPhysics
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 2003, v. 68 n. 11, article no. 113306 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.68.113306
AbstractWe investigate a nonadiabatic parametric quantum pump consisting of a nonmagnetic scattering region connected by two ferromagnetic leads. The presence of ferromagnetic leads allows electrons with different spins to experience different potential landscapes. Using this effect we propose a quantum spin pump that drives spin-up electrons to flow in one direction and spin-down electrons to flow in opposite direction. As a result, the spin pump can deliver a spin current with a vanishing charge current.
Persistent Identifierhttp://hdl.handle.net/10722/43398
ISSN
0163-1829
ISI Accession Number ID
WOS:000185829300015

 

DC FieldValueLanguage
dc.contributor.authorZheng, Wen_HK
dc.contributor.authorWu, Jen_HK
dc.contributor.authorWang, Ben_HK
dc.contributor.authorWang, Jen_HK
dc.contributor.authorSun, Qen_HK
dc.contributor.authorGuo, Hen_HK
dc.date.accessioned2007-03-23T04:44:57Z-
dc.date.available2007-03-23T04:44:57Z-
dc.date.issued2003en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 2003, v. 68 n. 11, article no. 113306-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/10722/43398-
dc.description.abstractWe investigate a nonadiabatic parametric quantum pump consisting of a nonmagnetic scattering region connected by two ferromagnetic leads. The presence of ferromagnetic leads allows electrons with different spins to experience different potential landscapes. Using this effect we propose a quantum spin pump that drives spin-up electrons to flow in one direction and spin-down electrons to flow in opposite direction. As a result, the spin pump can deliver a spin current with a vanishing charge current.en_HK
dc.format.extent54360 bytes-
dc.format.extent25600 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 B (Condensed Matter)-
dc.rightsCopyright 2003 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.68.113306-
dc.subjectPhysicsen_HK
dc.titleParametric quantum spin pumpen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=68&issue=11&spage=113306:1&epage=3&date=2003&atitle=Parametric+quantum+spin+pumpen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.68.113306en_HK
dc.identifier.scopuseid_2-s2.0-0242427748-
dc.identifier.hkuros84996-
dc.identifier.volume68-
dc.identifier.issue11-
dc.identifier.spagearticle no. 113306-
dc.identifier.epagearticle no. 113306-
dc.identifier.isiWOS:000185829300015-
dc.identifier.issnl0163-1829-

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