Two resonant magnetic modes in an overdoped high-$\bf T_c$ superconductor

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dc.creatorPailhes, S.
dc.creatorSidis, Y.
dc.creatorBourges, P.
dc.creatorUlrich, C.
dc.creatorHinkov, V.
dc.creatorRegnault, L. P.
dc.creatorIvanov, A.
dc.creatorLiang, B.
dc.creatorLin, C. T.
dc.creatorBernhard, C.
dc.creatorKeimer, B.
dc.date2003-08-20
dc.date.accessioned2026-07-25T22:46:04Z
dc.descriptionA detailed inelastic neutron scattering study of the overdoped high temperature copper oxide superconductor ${Y_{0.9}Ca_{0.1}Ba_{2}Cu_3O_{7}}$ reveals two distinct magnetic resonant modes in the superconducting state. The modes differ in their symmetry with respect to exchange between adjacent copper oxide layers. Counterparts of the mode with odd symmetry, but not the one with even symmetry, had been observed before at lower doping levels. The observation of the even mode resolves a long-standing puzzle, and the spectral weight ratio of both modes yields an estimate of the onset of particle-hole spin-flip excitations.
dc.descriptionSubmitted to PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/0308394
dc.identifierhttp://arxiv.org/abs/cond-mat/0308394
dc.identifierPhys. Rev. Lett. 91, 237002 (2003).
dc.identifierdoi:10.1103/PhysRevLett.91.237002
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/92294
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleTwo resonant magnetic modes in an overdoped high-$\bf T_c$ superconductor
dc.typetext

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