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Article: Quantization of adiabatic pumped charge in the presence of superconducting lead

TitleQuantization of adiabatic pumped charge in the presence of superconducting lead
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. 153311:1-4 How to Cite?
AbstractWe investigate the parametric electron pumping of a double barrier structure in the presence of a superconducting lead. The parametric pumping is facilitated by cyclic variation of the barrier heights x1 and x2 of the barriers. In the weak-coupling regime, there exists a resonance line in the parameter space (x1,x2) so that the energy of the quasibound state is in line with the incoming Fermi energy. Levinson et al. found recently that the pumped charge for each pumping cycle is quantized with Q=2e for normal structure when the pumping contour encircles the resonance line. In the presence of a superconducting lead, we find that the pumped charge is quantized with the value 2e.
Persistent Identifierhttp://hdl.handle.net/10722/43352
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Jen_HK
dc.contributor.authorWang, Ben_HK
dc.date.accessioned2007-03-23T04:44:07Z-
dc.date.available2007-03-23T04:44:07Z-
dc.date.issued2002en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2002, v. 65 n. 15, p. 153311:1-4en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43352-
dc.description.abstractWe investigate the parametric electron pumping of a double barrier structure in the presence of a superconducting lead. The parametric pumping is facilitated by cyclic variation of the barrier heights x1 and x2 of the barriers. In the weak-coupling regime, there exists a resonance line in the parameter space (x1,x2) so that the energy of the quasibound state is in line with the incoming Fermi energy. Levinson et al. found recently that the pumped charge for each pumping cycle is quantized with Q=2e for normal structure when the pumping contour encircles the resonance line. In the presence of a superconducting lead, we find that the pumped charge is quantized with the value 2e.en_HK
dc.format.extent88600 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.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.titleQuantization of adiabatic pumped charge in the presence of superconducting leaden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=65&issue=15&spage=153311:1&epage=4&date=2002&atitle=Quantization+of+adiabatic+pumped+charge+in+the+presence+of+superconducting+leaden_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.65.153311en_HK
dc.identifier.scopuseid_2-s2.0-0037089392-
dc.identifier.hkuros67043-
dc.identifier.isiWOS:000175147100026-

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