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Article: Berry phase and its induced charge and spin currents in a ring of a double-exchange system

TitleBerry phase and its induced charge and spin currents in a ring of a double-exchange system
Authors
KeywordsPhysics
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 1999, v. 60 n. 21, p. 14549-14552 How to Cite?
AbstractA ring of double-exchange system is investigated to explore the Berry phase acquired by the interplay of localized and conduction electrons. The competition between the double-exchange ferromagnetism and the superexchange antiferromagnetic coupling from the localized electrons leads to a phase transition from a ferromagnetic state to a spin spiral state. The spin spiral state acquires a nonzero Berry phase along the ring, and induces both charge and spin currents simultaneously. It is predicted that both the Aharonov-Bohm effect and Aharonov-Cashier effect will be exhibited spontaneously in the system. © 1999 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/43276
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiang, SDen_HK
dc.contributor.authorShen, SQen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:42:41Z-
dc.date.available2007-03-23T04:42:41Z-
dc.date.issued1999en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 1999, v. 60 n. 21, p. 14549-14552en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43276-
dc.description.abstractA ring of double-exchange system is investigated to explore the Berry phase acquired by the interplay of localized and conduction electrons. The competition between the double-exchange ferromagnetism and the superexchange antiferromagnetic coupling from the localized electrons leads to a phase transition from a ferromagnetic state to a spin spiral state. The spin spiral state acquires a nonzero Berry phase along the ring, and induces both charge and spin currents simultaneously. It is predicted that both the Aharonov-Bohm effect and Aharonov-Cashier effect will be exhibited spontaneously in the system. © 1999 The American Physical Society.en_HK
dc.format.extent84220 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 B - Condensed Matter and Materials Physicsen_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.titleBerry phase and its induced charge and spin currents in a ring of a double-exchange systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=60&issue=21&spage=14549&epage=14552&date=1999&atitle=Berry+phase+and+its+induced+charge+and+spin+currents+in+a+ring+of+a+double-exchange+systemen_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.60.14549en_HK
dc.identifier.scopuseid_2-s2.0-16644395648en_HK
dc.identifier.hkuros47464-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-16644395648&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume60en_HK
dc.identifier.issue21en_HK
dc.identifier.spage14549en_HK
dc.identifier.epage14552en_HK
dc.identifier.isiWOS:000084141700021-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiang, SD=36813644000en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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