Competing orders and the doping and momentum dependent quasiparticle excitations in cuprate superconductors

dc.creatorBeyer, A. D.
dc.creatorChen, C. -T.
dc.creatorGrinolds, M. S.
dc.creatorTeague, M. L.
dc.creatorYeh, N. -C.
dc.date2006-10-31
dc.date2008-01-24
dc.date.accessioned2026-07-07T09:33:49Z
dc.date.available2026-07-07T09:33:49Z
dc.descriptionThe low-energy quasiparticle excitations in hole- and electron-type cuprate superconductors are investigated via both experimental and theoretical means. It is found that the doping and momentum dependence of the empirical low-energy quasiparticle excitations is consistent with a scenario of coexisting competing orders and superconductivity in the ground state of the cuprates. This finding, based on zero-field quasiparticle spectra, is further corrobarated by the patially resolved vortex-state scanning tunneling spectroscopy, which reveals pseudogap-like features consistent with a remaining competing order inside the vortex core upon the suppression of superconductivity. The competing orders compatible with empirical observations include the charge-density wave and spin-density wave. In contrast, spectral characteristics derived from incorporating the $d$-density wave as a competing order appear unfavorable in comparison with experiments.
dc.description16 pages, 5 figures. To appear in Physica C. Corresponding Author: Nai-Chang Yeh (ncyeh@caltech.edu)
dc.identifierhttps://arxiv.org/abs/cond-mat/0610855
dc.identifierhttp://arxiv.org/abs/cond-mat/0610855
dc.identifierPhysica C 468, pg. 471 -- 479 (2008)
dc.identifierdoi:10.1016/j.physc.2008.01.011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/159270
dc.subjectSuperconductivity
dc.titleCompeting orders and the doping and momentum dependent quasiparticle excitations in cuprate superconductors
dc.typetext

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