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Article: Frequency-dependent admittance of a two-dimensional quantum wire

TitleFrequency-dependent admittance of a two-dimensional quantum wire
Authors
KeywordsPhysics
Issue Date1996
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1996, v. 54 n. 16, p. R11090-R11093 How to Cite?
AbstractThe frequency-dependent conductance of a two-dimensional quantum wire is computed using a current-conserving formalism. The correction to the dc conductance due to a time-dependent potential is related to the local partial density of states, which we compute numerically. The current conservation is explicitly confirmed by computing the global density of states and comparing it with a quantity that is related to the electron dwell time. Our calculation clearly reveals the physical meaning of the various partial densities of states.
Persistent Identifierhttp://hdl.handle.net/10722/43195
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Jen_HK
dc.contributor.authorGuo, Hen_HK
dc.date.accessioned2007-03-23T04:41:05Z-
dc.date.available2007-03-23T04:41:05Z-
dc.date.issued1996en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 1996, v. 54 n. 16, p. R11090-R11093en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43195-
dc.description.abstractThe frequency-dependent conductance of a two-dimensional quantum wire is computed using a current-conserving formalism. The correction to the dc conductance due to a time-dependent potential is related to the local partial density of states, which we compute numerically. The current conservation is explicitly confirmed by computing the global density of states and comparing it with a quantity that is related to the electron dwell time. Our calculation clearly reveals the physical meaning of the various partial densities of states.en_HK
dc.format.extent79856 bytes-
dc.format.extent25600 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.rightsPhysical Review B (Condensed Matter). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleFrequency-dependent admittance of a two-dimensional quantum wireen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0163-1829&volume=54&issue=16&spage=R11090&epage=R11093&date=1996&atitle=Frequency-dependent+admittance+of+a+two-dimensional+quantum+wireen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.54.R11090en_HK
dc.identifier.scopuseid_2-s2.0-0001236356-
dc.identifier.hkuros22326-
dc.identifier.isiWOS:A1996VT67500021-

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