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Article: In-plane noncollinear exchange coupling mediated by helical edge states in quantum spin Hall systems

TitleIn-plane noncollinear exchange coupling mediated by helical edge states in quantum spin Hall systems
Authors
Gao, JChen, WXie, XCZhang, FC
KeywordsPhysics
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2009, v. 80 n. 24, article no. 241302 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.80.241302
AbstractWe study the Ruderman-Kittel-Kasuya-Yoshida interaction mediated by helical edge states in quantum spin Hall system. The helical edge states induce an in-plane noncollinear exchange coupling between two local spins, in contrast to the isotropic coupling induced in normal metal. The angle between the two local spins in the ground state depends on the Fermi level. This property may be used to control the angle of spins by tuning the electric gate. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/80596
ISSN
1098-0121
2014 Impact Factor: 3.736
ISI Accession Number ID
WOS:000273229200015
Funding AgencyGrant Number
RGC
DOE
C-Spin Center of Oklahoma
Funding Information:

We wish to acknowledge the partial support from RGC Grant of HKSAR. X. C. X is supported by DOE and C-Spin Center of Oklahoma.

References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorGao, Jen_HK
dc.contributor.authorChen, Wen_HK
dc.contributor.authorXie, XCen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2010-09-06T08:08:11Z-
dc.date.available2010-09-06T08:08:11Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2009, v. 80 n. 24, article no. 241302-
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80596-
dc.description.abstractWe study the Ruderman-Kittel-Kasuya-Yoshida interaction mediated by helical edge states in quantum spin Hall system. The helical edge states induce an in-plane noncollinear exchange coupling between two local spins, in contrast to the isotropic coupling induced in normal metal. The angle between the two local spins in the ground state depends on the Fermi level. This property may be used to control the angle of spins by tuning the electric gate. © 2009 The American Physical Society.en_HK
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 and Materials Physics)-
dc.rightsCopyright 2009 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.80.241302-
dc.subjectPhysics-
dc.titleIn-plane noncollinear exchange coupling mediated by helical edge states in quantum spin Hall systemsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=80&issue=24 article no. 241302(R&spage=&epage=&date=2009&atitle=In-plane+noncollinear+exchange+coupling+mediated+by+helical+edge+states+in+quantum+spin+Hall+systemsen_HK
dc.identifier.emailGao, J: jhgao@hku.hken_HK
dc.identifier.emailChen, W: wqchen@hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityGao, J=rp00698en_HK
dc.identifier.authorityChen, W=rp00673en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.80.241302en_HK
dc.identifier.scopuseid_2-s2.0-77954724159en_HK
dc.identifier.hkuros169471en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77954724159&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume80en_HK
dc.identifier.issue24en_HK
dc.identifier.spagearticle no. 241302-
dc.identifier.epagearticle no. 241302-
dc.identifier.isiWOS:000273229200015-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridGao, J=14021339900en_HK
dc.identifier.scopusauthoridChen, W=36077405600en_HK
dc.identifier.scopusauthoridXie, XC=13502915800en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK
dc.identifier.issnl1098-0121-

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