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Article: Magnetic scattering effects on quantum transport in a normal-metal–superconductor junction

TitleMagnetic scattering effects on quantum transport in a normal-metal–superconductor junction
Authors
KeywordsPhysics
Issue Date1997
PublisherAmerican 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?
AbstractWithin 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 Identifierhttp://hdl.handle.net/10722/43189
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, JXen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:40:59Z-
dc.date.available2007-03-23T04:40:59Z-
dc.date.issued1997en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 1997, v. 55 n. 13, p. 8437-8444en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43189-
dc.description.abstractWithin 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.extent166174 bytes-
dc.format.extent45056 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.rightsPhysical Review B (Condensed Matter). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleMagnetic scattering effects on quantum transport in a normal-metal–superconductor junctionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://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+junctionen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.55.8437en_HK
dc.identifier.scopuseid_2-s2.0-0041457238-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0041457238&selection=ref&src=s&origin=recordpage-
dc.identifier.isiWOS:A1997WV25200062-
dc.publisher.placeUnited States-
dc.identifier.scopusauthoridZhu, JX=7405688302-
dc.identifier.scopusauthoridWang, ZD=14828459100-

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