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Article: Symmetry and transport property of spin current induced spin-Hall effect

TitleSymmetry and transport property of spin current induced spin-Hall effect
Authors
KeywordsPhysics
Issue Date2007
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2007, v. 75 n. 7, p. 075324-1 - 075324-7 How to Cite?
AbstractWe study the spin current induced spin-Hall effect that a longitudinal spin-dependent chemical potential qVs=x,y,z induces transverse spin conductances Gss. A four-terminal system with the Rashba and Dresselhaus spin-orbit interactions (SOIs) in the scattering region is considered. By using Landauer-Büttiker formula with the aid of Green's function, various spin current induced spin-Hall conductances Gss are calculated. With the charge chemical potential qVc or spin chemical potential qVs=x,y,z, there are 16 elements for the transverse conductances G=Jp,µ/V, where µ,=x,y,z,c. Due to the symmetry of our system, these elements are not independent. For the system with C2 symmetry half of the elements are zero when only the Rashba SOI or the Dresselhaus SOI exists in the center region. The numerical results show that of all the conductance elements, the spin current induced spin-Hall conductances Gss are usually much greater (about one or two orders of magnitude) than the spin-Hall conductances Gsc and the reciprocal spin-Hall conductances Gcs. So the spin current induced spin-Hall effect dominates in the present device.
Persistent Identifierhttp://hdl.handle.net/10722/57320
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXing, YXen_HK
dc.contributor.authorSun, QFen_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2010-04-12T01:33:07Z-
dc.date.available2010-04-12T01:33:07Z-
dc.date.issued2007en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2007, v. 75 n. 7, p. 075324-1 - 075324-7en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/57320-
dc.description.abstractWe study the spin current induced spin-Hall effect that a longitudinal spin-dependent chemical potential qVs=x,y,z induces transverse spin conductances Gss. A four-terminal system with the Rashba and Dresselhaus spin-orbit interactions (SOIs) in the scattering region is considered. By using Landauer-Büttiker formula with the aid of Green's function, various spin current induced spin-Hall conductances Gss are calculated. With the charge chemical potential qVc or spin chemical potential qVs=x,y,z, there are 16 elements for the transverse conductances G=Jp,µ/V, where µ,=x,y,z,c. Due to the symmetry of our system, these elements are not independent. For the system with C2 symmetry half of the elements are zero when only the Rashba SOI or the Dresselhaus SOI exists in the center region. The numerical results show that of all the conductance elements, the spin current induced spin-Hall conductances Gss are usually much greater (about one or two orders of magnitude) than the spin-Hall conductances Gsc and the reciprocal spin-Hall conductances Gcs. So the spin current induced spin-Hall effect dominates in the present device.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleSymmetry and transport property of spin current induced spin-Hall effecten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=75&issue=7&spage=075324&epage=1 &date=2007&atitle=Symmetry+and+transport+property+of+spin+current+induced+spin-Hall+effecten_HK
dc.identifier.emailWang, J: jianwang@hkusub.hku.hken_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.75.075324en_HK
dc.identifier.scopuseid_2-s2.0-33847009140-
dc.identifier.hkuros133995-
dc.identifier.isiWOS:000244533400078-

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