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Article: Quantization of adiabatic pumped charge in the presence of superconducting lead
Title | Quantization of adiabatic pumped charge in the presence of superconducting lead |
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Authors | |
Keywords | Physics |
Issue Date | 2002 |
Publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ |
Citation | Physical Review B (Condensed Matter), 2002, v. 65 n. 15, article no. 153311 How to Cite? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/43352 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, J | en_HK |
dc.contributor.author | Wang, B | en_HK |
dc.date.accessioned | 2007-03-23T04:44:07Z | - |
dc.date.available | 2007-03-23T04:44:07Z | - |
dc.date.issued | 2002 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter), 2002, v. 65 n. 15, article no. 153311 | - |
dc.identifier.issn | 0163-1829 | - |
dc.identifier.uri | http://hdl.handle.net/10722/43352 | - |
dc.description.abstract | We 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.extent | 88600 bytes | - |
dc.format.extent | 25600 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter) | - |
dc.rights | Copyright 2002 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.65.153311 | - |
dc.subject | Physics | en_HK |
dc.title | Quantization of adiabatic pumped charge in the presence of superconducting lead | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+lead | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevB.65.153311 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0037089392 | - |
dc.identifier.hkuros | 67043 | - |
dc.identifier.volume | 65 | - |
dc.identifier.issue | 15 | - |
dc.identifier.spage | article no. 153311 | - |
dc.identifier.epage | article no. 153311 | - |
dc.identifier.isi | WOS:000175147100026 | - |
dc.identifier.issnl | 0163-1829 | - |