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Article: Current Partition: A Nonequilibrium Green's Function Approach

TitleCurrent Partition: A Nonequilibrium Green's Function Approach
Authors
KeywordsPhysics
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 1999, v. 82 n. 2, p. 398-401 How to Cite?
AbstractWe present a solution to the problem of ac current partition in a multiprobe mesoscopic conductor within the nonequilibrium Green's function formalism. This allows the derivation of dynamic conductance which is appropriate for nonequilibrium situations and which satisfies the current conservation and gauge invariance requirements. This formalism presents a significant generalization to previous theory: (i) There is no limit in the frequency, and (ii) it allows detailed treatments of interactions in the mesoscopic region. The formalism is applied to calculate the dynamic conductance of tunneling structures with and without assuming a wideband limit. ©1999 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/42448
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Ben_HK
dc.contributor.authorWang, Jen_HK
dc.contributor.authorGuo, Hen_HK
dc.date.accessioned2007-01-29T08:50:16Z-
dc.date.available2007-01-29T08:50:16Z-
dc.date.issued1999en_HK
dc.identifier.citationPhysical Review Letters, 1999, v. 82 n. 2, p. 398-401en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42448-
dc.description.abstractWe present a solution to the problem of ac current partition in a multiprobe mesoscopic conductor within the nonequilibrium Green's function formalism. This allows the derivation of dynamic conductance which is appropriate for nonequilibrium situations and which satisfies the current conservation and gauge invariance requirements. This formalism presents a significant generalization to previous theory: (i) There is no limit in the frequency, and (ii) it allows detailed treatments of interactions in the mesoscopic region. The formalism is applied to calculate the dynamic conductance of tunneling structures with and without assuming a wideband limit. ©1999 The American Physical Society.en_HK
dc.format.extent143405 bytes-
dc.format.extent27648 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://prl.aps.orgen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleCurrent Partition: A Nonequilibrium Green's Function Approachen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9007&volume=82&issue=2&spage=398&epage=401&date=1999&atitle=Current+Partition:+A+Nonequilibrium+Green%27s+Function+Approachen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevLett.82.398en_HK
dc.identifier.scopuseid_2-s2.0-0001227564-
dc.identifier.hkuros40509-
dc.identifier.isiWOS:000078005200039-
dc.identifier.citeulike11802174-

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