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- Publisher Website: 10.1143/JPSJ.67.1688
- Scopus: eid_2-s2.0-0032344550
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Article: Andreev Reflection Enhanced Aharonov-Bohm Oscillations in Conductance of a Mesoscopic Normal Metal Ring Connected to Normal and Superconducting Leads
Title | Andreev Reflection Enhanced Aharonov-Bohm Oscillations in Conductance of a Mesoscopic Normal Metal Ring Connected to Normal and Superconducting Leads |
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Authors | |
Keywords | Andreev Reflection Mesoscopic Ring Normal-Superconducting Hybrid Structure |
Issue Date | 1998 |
Publisher | Institute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htm |
Citation | Journal of the Physical Society of Japan, 1998, v. 67 n. 5, p. 1688-1692 How to Cite? |
Abstract | We investigate the conductance through an Aharonov-Bohm normal metal ring connected to normal and superconducting leads. It is shown that, due to the Andreev reflection at the normal superconducting phase boundary, the conductance maxima could be enhanced to be twice as large as that for the ring connected with normal conducting leads. The voltage bias may suppress this conductance enhancement. However, the periodicity of the oscillating conductance in flux is not altered by the presence of the superconducting contact. The discussion is also extended to include the impurity scattering effect and the multichannel case. Quite interestingly, the period halving could be induced by the impurity scattering even in one-dimensional normal superconducting hybrid structures. |
Persistent Identifier | http://hdl.handle.net/10722/174766 |
ISSN | 2023 Impact Factor: 1.5 2023 SCImago Journal Rankings: 0.612 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Zhu, JX | en_US |
dc.contributor.author | Wang, ZD | en_US |
dc.date.accessioned | 2012-11-26T08:47:19Z | - |
dc.date.available | 2012-11-26T08:47:19Z | - |
dc.date.issued | 1998 | en_US |
dc.identifier.citation | Journal of the Physical Society of Japan, 1998, v. 67 n. 5, p. 1688-1692 | - |
dc.identifier.issn | 0031-9015 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/174766 | - |
dc.description.abstract | We investigate the conductance through an Aharonov-Bohm normal metal ring connected to normal and superconducting leads. It is shown that, due to the Andreev reflection at the normal superconducting phase boundary, the conductance maxima could be enhanced to be twice as large as that for the ring connected with normal conducting leads. The voltage bias may suppress this conductance enhancement. However, the periodicity of the oscillating conductance in flux is not altered by the presence of the superconducting contact. The discussion is also extended to include the impurity scattering effect and the multichannel case. Quite interestingly, the period halving could be induced by the impurity scattering even in one-dimensional normal superconducting hybrid structures. | en_US |
dc.language | eng | en_US |
dc.publisher | Institute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htm | en_US |
dc.relation.ispartof | Journal of the Physical Society of Japan | en_US |
dc.subject | Andreev Reflection | en_US |
dc.subject | Mesoscopic Ring | en_US |
dc.subject | Normal-Superconducting Hybrid Structure | en_US |
dc.title | Andreev Reflection Enhanced Aharonov-Bohm Oscillations in Conductance of a Mesoscopic Normal Metal Ring Connected to Normal and Superconducting Leads | en_US |
dc.type | Article | en_US |
dc.identifier.email | Wang, ZD: zwang@hkucc.hku.hk | en_US |
dc.identifier.authority | Wang, ZD=rp00802 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1143/JPSJ.67.1688 | - |
dc.identifier.scopus | eid_2-s2.0-0032344550 | en_US |
dc.identifier.hkuros | 32388 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032344550&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 67 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 1688 | en_US |
dc.identifier.epage | 1692 | en_US |
dc.identifier.isi | WOS:000073878900035 | - |
dc.publisher.place | Japan | en_US |
dc.identifier.scopusauthorid | Zhu, JX=7405688302 | en_US |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | en_US |
dc.identifier.issnl | 0031-9015 | - |