Two-Dimensionality of Magnetic Excitations on the Trellis Lattice: (La,Sr,Ca)$_{14}$Cu$_{24}$O$_{41}$ and SrCu$_2$O$_3$

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dc.creatorSchmidt, K. P.
dc.creatorUhrig, G. S.
dc.date2007-01-23
dc.date2007-06-05
dc.date.accessioned2026-07-07T08:09:54Z
dc.date.available2026-07-07T08:09:54Z
dc.descriptionWe explore the properties of magnetic excitations on the trellis lattice which is relevant for the so-called telephone-number compounds A$_{14}$Cu$_{24}$O$_{41}$ and the system SrCu$_2$O$_3$. The trellis lattice consists of two-leg ladders which are coupled in a strongly frustrated fashion. We use the effective model obtained for a single two-leg spin ladder to calculate the two-dimensional one-triplon dispersion and the corresponding one-triplon contribution to the dynamical structure factor. Special attention is laid on signatures of the frustrating inter-ladder magnetic exchange. A detailed suggestion is made for an experimental detection of this exchange in inelastic neutron scattering experiments.
dc.description5 pages, 7 figures, predictions to inelastic neutron experiments; slightly revised version according to the referees' suggestions, in press
dc.identifierhttps://arxiv.org/abs/cond-mat/0701551
dc.identifierhttp://arxiv.org/abs/cond-mat/0701551
dc.identifierPhys. Rev. B 75, 224414 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.224414
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131682
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleTwo-Dimensionality of Magnetic Excitations on the Trellis Lattice: (La,Sr,Ca)$_{14}$Cu$_{24}$O$_{41}$ and SrCu$_2$O$_3$
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