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Article: Impurity and interface bound states in dx2–y2 + idxy and px + ipy superconductors

TitleImpurity and interface bound states in dx2–y2 + idxy and px + ipy superconductors
Authors
KeywordsPhysics
Issue Date2004
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 2004, v. 69 n. 9, article no. 092502 How to Cite?
AbstractMotivated by recent discoveries of novel superconductors such as NaxCoO2·yH2O and Sr2RuO4, we analyze features of quasiparticle scattering due to impurities and interfaces for possible gapful dx2–y2 + idxy and px + ipy Cooper pairing. A bound state appears near a local impurity, and a band of bound states form near an interface. We obtained analytically the bound-state energy, and calculated the space and energy dependent local density of states resolvable by high-resolution scanning tunnelling microscopy. For comparison we also sketch results of impurity and interface states if the pairing is nodal p or d wave.
Persistent Identifierhttp://hdl.handle.net/10722/43411
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, QHen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:45:11Z-
dc.date.available2007-03-23T04:45:11Z-
dc.date.issued2004en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 2004, v. 69 n. 9, article no. 092502-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/10722/43411-
dc.description.abstractMotivated by recent discoveries of novel superconductors such as NaxCoO2·yH2O and Sr2RuO4, we analyze features of quasiparticle scattering due to impurities and interfaces for possible gapful dx2–y2 + idxy and px + ipy Cooper pairing. A bound state appears near a local impurity, and a band of bound states form near an interface. We obtained analytically the bound-state energy, and calculated the space and energy dependent local density of states resolvable by high-resolution scanning tunnelling microscopy. For comparison we also sketch results of impurity and interface states if the pairing is nodal p or d wave.en_HK
dc.format.extent116570 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.relation.ispartofPhysical Review B (Condensed Matter)-
dc.rightsCopyright 2004 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.69.092502-
dc.subjectPhysicsen_HK
dc.titleImpurity and interface bound states in dx2–y2 + idxy and px + ipy superconductorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=69&issue=9&spage=092502:1&epage=4&date=2004&atitle=Impurity+and+interface+bound+states+in+dx2–y2+++idxy+and+px+++ipy+superconductorsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.69.092502en_HK
dc.identifier.scopuseid_2-s2.0-2142645131-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2142645131&selection=ref&src=s&origin=recordpage-
dc.identifier.volume69-
dc.identifier.issue9-
dc.identifier.spagearticle no. 092502-
dc.identifier.epagearticle no. 092502-
dc.identifier.isiWOS:000220812800023-
dc.publisher.placeUnited States-
dc.identifier.scopusauthoridWang, QH=7406916485-
dc.identifier.scopusauthoridWang, ZD=14828459100-

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