Abrupt transition in quasiparticle dynamics at optimal doping in a cuprate superconductor system

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dc.creatorGedik, N.
dc.creatorOrenstein, J.
dc.creatorOno, S.
dc.creatorAbe, Yasushi
dc.creatorAndo, Yoichi
dc.date2005-03-15
dc.date.accessioned2026-07-07T06:21:25Z
dc.date.available2026-07-07T06:21:25Z
dc.descriptionWe report time-resolved measurements of the photoinduced change in reflectivity, Delta R, in the Bi2Sr2Ca(1-y)Dy(y)Cu2O(8+delta) (BSCCO) system of cuprate superconductors as a function of hole concentration. We find that the kinetics of quasiparticle decay and the sign of Delta R both change abruptly where the superconducting transition temperature Tc is maximal. These coincident changes suggest that a sharp transition in quasiparticle dynamics takes place precisely at optimal doping in the BSCCO system.
dc.description10 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0503355
dc.identifierhttp://arxiv.org/abs/cond-mat/0503355
dc.identifierPhys. Rev. Lett. 95, 117005 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.117005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95591
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleAbrupt transition in quasiparticle dynamics at optimal doping in a cuprate superconductor system
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