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Article: Theoretical investigation of the quasiparticle dispersion of bilayer high-Tc superconductors

TitleTheoretical investigation of the quasiparticle dispersion of bilayer high-Tc superconductors
Authors
Issue Date2005
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2005, v. 72 n. 9 How to Cite?
AbstractThe renormalization of quasiparticle (QP) dispersion in bilayer high-Tc cuprates is investigated theoretically by examining, respectively, the interactions of the QP with spin fluctuations and phonons. It is illustrated that both interactions are able to give rise to a kink in the dispersion around the antinodes [near (π,0)]. However, remarkable differences between the two cases are found for the peak/dip/hump structure in the line shape, the QP weight, and the interlayer coupling effect on the kink, which are suggested to serve as a discriminance to single out the dominant interaction in the superconducting state. A comparison to recent photoemission experiments shows clearly that the coupling to the spin resonance is dominant for the QP around antinodes in bilayer systems. © 2005 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/80918
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, JXen_HK
dc.contributor.authorZhou, Ten_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-09-06T08:11:43Z-
dc.date.available2010-09-06T08:11:43Z-
dc.date.issued2005en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2005, v. 72 n. 9en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80918-
dc.description.abstractThe renormalization of quasiparticle (QP) dispersion in bilayer high-Tc cuprates is investigated theoretically by examining, respectively, the interactions of the QP with spin fluctuations and phonons. It is illustrated that both interactions are able to give rise to a kink in the dispersion around the antinodes [near (π,0)]. However, remarkable differences between the two cases are found for the peak/dip/hump structure in the line shape, the QP weight, and the interlayer coupling effect on the kink, which are suggested to serve as a discriminance to single out the dominant interaction in the superconducting state. A comparison to recent photoemission experiments shows clearly that the coupling to the spin resonance is dominant for the QP around antinodes in bilayer systems. © 2005 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.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleTheoretical investigation of the quasiparticle dispersion of bilayer high-Tc superconductorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=72&issue=9, article no. 094515&spage=094515&epage=1&date=2005&atitle=Theoretical+investigation+of+the+quasiparticle+dispersion+of+bilayer+high-Tc+superconductorsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.72.094515en_HK
dc.identifier.scopuseid_2-s2.0-29644436228en_HK
dc.identifier.hkuros111426en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-29644436228&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume72en_HK
dc.identifier.issue9en_HK
dc.identifier.spage094515-1-
dc.identifier.epage094515-5-
dc.identifier.isiWOS:000232228500109-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLi, JX=8678926100en_HK
dc.identifier.scopusauthoridZhou, T=7402989483en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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