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Article: Impurity-induced modulations of orders in d -wave superconductors

TitleImpurity-induced modulations of orders in d -wave superconductors
Authors
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter and Materials Physics, 2009, v. 80 n. 6 How to Cite?
AbstractBy using a model Hamiltonian with competing antiferromagnetic (AFM) and d -wave superconductivity orders, the impurity-induced structures of orders in d -wave superconductors is investigated. We find that the transition between one-dimensional stripe and two-dimensional checkerboardlike modulation around a single nonmagnetic impurity can take place as the strength of the AFM interaction U or the impurity scattering strength V0 is varied. It is also found that the impurity-induced stripe can first transit to checkerboardlike modulation and then disappears with increasing the next-nearest-neighbor hopping strength Ι t Ι. Phase diagrams of V0 versus U and Ι t Ι for various modulations of the spin order are presented. In addition, the quantum interference effect on the modulations of orders due to two strong nonmagnetic impurities is briefly examined, and the checkerboardlike and quasistripe patterns can occur depending on the sites where two impurities are placed. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/92060
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China60671042
Shanghai leading academicS30105
Shanghai Municipal Education Committee
Flemish Science Foundation
Belgian Science Policy
Funding Information:

This work was supported by National Natural Science Foundation of China under Grant No. 60671042, by Shanghai leading academic discipline project under Grant No. S30105, by Shanghai Municipal Education Committee, by Flemish Science Foundation (FWO-V1), and by Belgian Science Policy (IAP).

References

 

DC FieldValueLanguage
dc.contributor.authorZha, G-Qen_HK
dc.contributor.authorChen, Yen_HK
dc.contributor.authorPeeters, FMen_HK
dc.contributor.authorZhou, S-Pen_HK
dc.date.accessioned2010-09-17T10:34:54Z-
dc.date.available2010-09-17T10:34:54Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review B - Condensed Matter and Materials Physics, 2009, v. 80 n. 6en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92060-
dc.description.abstractBy using a model Hamiltonian with competing antiferromagnetic (AFM) and d -wave superconductivity orders, the impurity-induced structures of orders in d -wave superconductors is investigated. We find that the transition between one-dimensional stripe and two-dimensional checkerboardlike modulation around a single nonmagnetic impurity can take place as the strength of the AFM interaction U or the impurity scattering strength V0 is varied. It is also found that the impurity-induced stripe can first transit to checkerboardlike modulation and then disappears with increasing the next-nearest-neighbor hopping strength Ι t Ι. Phase diagrams of V0 versus U and Ι t Ι for various modulations of the spin order are presented. In addition, the quantum interference effect on the modulations of orders due to two strong nonmagnetic impurities is briefly examined, and the checkerboardlike and quasistripe patterns can occur depending on the sites where two impurities are placed. © 2009 The American Physical Society.en_HK
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 and Materials Physicsen_HK
dc.titleImpurity-induced modulations of orders in d -wave superconductorsen_HK
dc.typeArticleen_HK
dc.identifier.emailChen, Y:ychenc@hkucc.hku.hken_HK
dc.identifier.authorityChen, Y=rp1318en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.80.064518en_HK
dc.identifier.scopuseid_2-s2.0-70249147697en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70249147697&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume80en_HK
dc.identifier.issue6en_HK
dc.identifier.eissn1550-235X-
dc.identifier.isiWOS:000269638800074-

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