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Article: Magnetic scattering effects on quantum transport in a normal-metal–superconductor junction
Title | Magnetic scattering effects on quantum transport in a normal-metal–superconductor junction |
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Authors | |
Keywords | Physics |
Issue Date | 1997 |
Publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ |
Citation | Physical Review B (Condensed Matter), 1997, v. 55 n. 13, p. 8437-8444 How to Cite? |
Abstract | Within a scattering formalism, the magnetic scattering effects on the transport properties of a normal metal attached to a d-wave as well as an s-wave superconductor have been studied by inserting (i) a Kondo-like magnetic barrier and (ii) a ferromagnetic scattering layer into the normal conducting region. It is shown that, in contrary to our intuition, the Kondo-like magnetic scattering effect is quite similar to the effect of nonmagnetic scattering. Remarkably, the ferromagnetic exchange interaction could lead to the strong resemblance of the conductance behavior between a normal-metal–s-wave superconductor junction containing a ferromagnet layer and a normal-metal–d-wave superconductor with a nonmagnetic scattering layer, and vice versa. This result may complicate significantly the decisive determination of the pairing symmetry in high-Tc superconductors by the quasiparticle tunneling into the superconductor. In addition, the resonance peak splitting in the conductance is exhibited if the ferromagnet layer is located several superconducting coherence lengths away from the normal-metal–superconductor interface. |
Persistent Identifier | http://hdl.handle.net/10722/43189 |
ISSN | |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Zhu, JX | en_HK |
dc.contributor.author | Wang, ZD | en_HK |
dc.date.accessioned | 2007-03-23T04:40:59Z | - |
dc.date.available | 2007-03-23T04:40:59Z | - |
dc.date.issued | 1997 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter), 1997, v. 55 n. 13, p. 8437-8444 | en_HK |
dc.identifier.issn | 0163-1829 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/43189 | - |
dc.description.abstract | Within a scattering formalism, the magnetic scattering effects on the transport properties of a normal metal attached to a d-wave as well as an s-wave superconductor have been studied by inserting (i) a Kondo-like magnetic barrier and (ii) a ferromagnetic scattering layer into the normal conducting region. It is shown that, in contrary to our intuition, the Kondo-like magnetic scattering effect is quite similar to the effect of nonmagnetic scattering. Remarkably, the ferromagnetic exchange interaction could lead to the strong resemblance of the conductance behavior between a normal-metal–s-wave superconductor junction containing a ferromagnet layer and a normal-metal–d-wave superconductor with a nonmagnetic scattering layer, and vice versa. This result may complicate significantly the decisive determination of the pairing symmetry in high-Tc superconductors by the quasiparticle tunneling into the superconductor. In addition, the resonance peak splitting in the conductance is exhibited if the ferromagnet layer is located several superconducting coherence lengths away from the normal-metal–superconductor interface. | en_HK |
dc.format.extent | 166174 bytes | - |
dc.format.extent | 45056 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 1997 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.55.8437 | - |
dc.subject | Physics | en_HK |
dc.title | Magnetic scattering effects on quantum transport in a normal-metal–superconductor junction | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0163-1829&volume=55&issue=13&spage=8437&epage=8444&date=1997&atitle=Magnetic+scattering+effects+on+quantum+transport+in+a+normal-metal–superconductor+junction | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevB.55.8437 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0041457238 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0041457238&selection=ref&src=s&origin=recordpage | - |
dc.identifier.isi | WOS:A1997WV25200062 | - |
dc.publisher.place | United States | - |
dc.identifier.scopusauthorid | Zhu, JX=7405688302 | - |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | - |
dc.identifier.issnl | 0163-1829 | - |