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Article: Persistent spin current in a mesoscopic hybrid ring with spin-orbit coupling

TitlePersistent spin current in a mesoscopic hybrid ring with spin-orbit coupling
Authors
KeywordsPhysics
Issue Date2007
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2007, v. 98 n. 19, article no. 196801 How to Cite?
AbstractWe investigate the equilibrium property of a mesoscopic ring with a spin-orbit interaction. It is well known that, for a normal mesoscopic ring threaded by a magnetic flux, the electron acquires a Berry phase that induces the persistent (charge) current. Similarly, the spin of an electron acquires a spin Berry phase traversing a ring with a spin-orbit interaction. It is this spin Berry phase that induces a persistent spin current. To demonstrate its existence, we calculate the persistent spin current without an accompanying charge current in the normal region in a hybrid mesoscopic ring. We point out that this persistent spin current describes the real spin motion and can be observed experimentally.
Persistent Identifierhttp://hdl.handle.net/10722/57327
ISSN
2017 Impact Factor: 8.839
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSun, QFen_HK
dc.contributor.authorXie, XCen_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2010-04-12T01:33:16Z-
dc.date.available2010-04-12T01:33:16Z-
dc.date.issued2007en_HK
dc.identifier.citationPhysical Review Letters, 2007, v. 98 n. 19, article no. 196801-
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/57327-
dc.description.abstractWe investigate the equilibrium property of a mesoscopic ring with a spin-orbit interaction. It is well known that, for a normal mesoscopic ring threaded by a magnetic flux, the electron acquires a Berry phase that induces the persistent (charge) current. Similarly, the spin of an electron acquires a spin Berry phase traversing a ring with a spin-orbit interaction. It is this spin Berry phase that induces a persistent spin current. To demonstrate its existence, we calculate the persistent spin current without an accompanying charge current in the normal region in a hybrid mesoscopic ring. We point out that this persistent spin current describes the real spin motion and can be observed experimentally.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Letters-
dc.rightsCopyright 2007 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevLett.98.196801-
dc.subjectPhysicsen_HK
dc.titlePersistent spin current in a mesoscopic hybrid ring with spin-orbit couplingen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9007&volume=98&issue=19&spage=196801&epage=1 &date=2007&atitle=Persistent+spin+current+in+a+mesoscopic+hybrid+ring+with+spin-orbit+couplingen_HK
dc.identifier.emailWang, J: jianwang@hkusub.hku.hken_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevLett.98.196801en_HK
dc.identifier.pmid17677644en_HK
dc.identifier.scopuseid_2-s2.0-34547264386-
dc.identifier.hkuros126878-
dc.identifier.volume98-
dc.identifier.issue19-
dc.identifier.spagearticle no. 196801-
dc.identifier.epagearticle no. 196801-
dc.identifier.isiWOS:000246413200039-

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