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Article: Enhancement of parametric pumping due to Andreev reflection

TitleEnhancement of parametric pumping due to Andreev reflection
Authors
Wang, JWei, YWang, BGuo, H
KeywordsPhysics engineering
Issue Date2001
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2001, v. 79 n. 24, p. 3977-3979 How to Cite?
DOI: http://dx.doi.org/10.1063/1.1421236
AbstractWe report properties of parametric electron pumping in the presence of a superconducting lead. Due to a constructive interference between the direct reflection and the multiple Andreev reflection, the pumped current is greatly enhanced. For both quantum point contacts and double barrier structures at resonance, we obtain exact solutions in the weak pumping regime showing that I = 4I, which should be compared with the result of conductance GNS = 2GN. Numerical results are also provided for the strong pumping regime showing interesting Andreev assisted pumping behavior. © 2001 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/42463
ISSN
0003-6951
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.976
ISI Accession Number ID
WOS:000172489100024

 

DC FieldValueLanguage
dc.contributor.authorWang, Jen_HK
dc.contributor.authorWei, Yen_HK
dc.contributor.authorWang, Ben_HK
dc.contributor.authorGuo, Hen_HK
dc.date.accessioned2007-01-29T08:50:33Z-
dc.date.available2007-01-29T08:50:33Z-
dc.date.issued2001en_HK
dc.identifier.citationApplied Physics Letters, 2001, v. 79 n. 24, p. 3977-3979-
dc.identifier.issn0003-6951en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42463-
dc.description.abstractWe report properties of parametric electron pumping in the presence of a superconducting lead. Due to a constructive interference between the direct reflection and the multiple Andreev reflection, the pumped current is greatly enhanced. For both quantum point contacts and double barrier structures at resonance, we obtain exact solutions in the weak pumping regime showing that I = 4I, which should be compared with the result of conductance GNS = 2GN. Numerical results are also provided for the strong pumping regime showing interesting Andreev assisted pumping behavior. © 2001 American Institute of Physics.en_HK
dc.format.extent61572 bytes-
dc.format.extent27648 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/en_HK
dc.relation.ispartofApplied Physics Letters-
dc.rightsCopyright 2001 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, 2001, v. 79 n. 24, p. 3977-3979 and may be found at https://doi.org/10.1063/1.1421236-
dc.subjectPhysics engineeringen_HK
dc.titleEnhancement of parametric pumping due to Andreev reflectionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=79&issue=24&spage=3977&epage=3979&date=2001&atitle=Enhancement+of+parametric+pumping+due+to+Andreev+reflectionen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1063/1.1421236en_HK
dc.identifier.scopuseid_2-s2.0-0035842760-
dc.identifier.hkuros65413-
dc.identifier.volume79-
dc.identifier.issue24-
dc.identifier.spage3977-
dc.identifier.epage3979-
dc.identifier.isiWOS:000172489100024-
dc.identifier.issnl0003-6951-

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