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Article: Charge pumping in a quantum wire driven by a series of local time-periodic potentials

TitleCharge pumping in a quantum wire driven by a series of local time-periodic potentials
Authors
KeywordsPhysics
Issue Date2002
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2002, v. 65 n. 15, p. 1553131-1553135 How to Cite?
AbstractWe develop a method to calculate electronic transport properties through a mesoscopic scattering region in the presence of a series of time-periodic potentials. Using the method, the quantum charge pumping driven by time-periodic potentials is studied. Jumps in the pumped current are observed at the peak positions of the Wigner delay time. Our main results in both the weak pumping and strong pumping regimes are consistent with experimental results. More interestingly, we also observed the nonzero pumping at the phase difference φ=0 and addressed its relevance to the experimental result.
Persistent Identifierhttp://hdl.handle.net/10722/43350
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, SLen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:44:05Z-
dc.date.available2007-03-23T04:44:05Z-
dc.date.issued2002en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2002, v. 65 n. 15, p. 1553131-1553135en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43350-
dc.description.abstractWe develop a method to calculate electronic transport properties through a mesoscopic scattering region in the presence of a series of time-periodic potentials. Using the method, the quantum charge pumping driven by time-periodic potentials is studied. Jumps in the pumped current are observed at the peak positions of the Wigner delay time. Our main results in both the weak pumping and strong pumping regimes are consistent with experimental results. More interestingly, we also observed the nonzero pumping at the phase difference φ=0 and addressed its relevance to the experimental result.en_HK
dc.format.extent88042 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleCharge pumping in a quantum wire driven by a series of local time-periodic potentialsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=65&issue=15&spage=155313:1&epage=5&date=2002&atitle=Charge+pumping+in+a+quantum+wire+driven+by+a+series+of+local+time-periodic+potentialsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.65.155313en_HK
dc.identifier.scopuseid_2-s2.0-0037089187en_HK
dc.identifier.hkuros65718-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037089187&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume65en_HK
dc.identifier.issue15en_HK
dc.identifier.spage1553131en_HK
dc.identifier.epage1553135en_HK
dc.identifier.isiWOS:000175147100086-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhu, SL=34972495900en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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