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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
Wang, QHWang, ZD
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?
DOI: http://dx.doi.org/10.1103/PhysRevB.69.092502
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
0163-1829
ISI Accession Number ID
WOS:000220812800023
References
References in Scopus

 

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-
dc.identifier.issnl0163-1829-

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