Li Induced Spin and Charge Excitations in a Spin Ladder

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dc.creatorLaeuchli, Andreas
dc.creatorPoilblanc, Didier
dc.creatorRice, T. M.
dc.creatorWhite, Steven R.
dc.date2001-08-06
dc.date.accessioned2026-07-07T02:42:21Z
dc.date.available2026-07-07T02:42:21Z
dc.descriptionA lithium dopant in a cuprate spin ladder acts as a vacant (non-magnetic) site accompanied by an extra hole bound by a Coulomb potential. We find that, although the undoped ladder spin gap is not essentially altered by Li doping, a dopant-magnon bound state appears within the gap. Contrary to the case of Zn-doped ladders, we predict that, in the Li-doped ladder, the spin liquid character is very robust against antiferromagnetism. We also predict the spatial dependence of the density of states in the vicinity of the dopant which could be measured by local spectroscopic probes.
dc.description4 pages, Submitted to Physical Review Letters
dc.identifierhttps://arxiv.org/abs/cond-mat/0108099
dc.identifierhttp://arxiv.org/abs/cond-mat/0108099
dc.identifierPhys. Rev. Lett. 88, 257201 (2002)
dc.identifierdoi:10.1103/PhysRevLett.88.257201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18109
dc.subjectStrongly Correlated Electrons
dc.titleLi Induced Spin and Charge Excitations in a Spin Ladder
dc.typetext

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