Unusual quasi-one-dimensional electron dispersions in the spin-1/2 quantum magnet TiOCl

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dc.creatorHoinkis, M.
dc.creatorSing, M.
dc.creatorSchaefer, J.
dc.creatorKlemm, M.
dc.creatorHorn, S.
dc.creatorBenthien, H.
dc.creatorJeckelmann, E.
dc.creatorSaha-Dasgupta, T.
dc.creatorPisani, L.
dc.creatorValenti, R.
dc.creatorClaessen, R.
dc.date2005-06-08
dc.date2005-07-29
dc.date.accessioned2026-07-07T06:19:47Z
dc.date.available2026-07-07T06:19:47Z
dc.descriptionWe have studied the electronic structure of the spin-1/2 quantum magnet TiOCl by polarization-dependent momentum-resolved photoelectron spectroscopy. From that, we confirm the quasi-one-dimensional nature of the electronic structure along the crystallographic b-axis and find no evidence for sizable phonon-induced orbital fluctuations as origin for the non-canonical phenomenology of the spin-Peierls transition in this compound. A comparison of the experimental data to our own LDA+U and Hubbard model calculations reveals a striking lack of understanding regarding the quasi-one-dimensional electron dispersions in the normal state of this compound.
dc.description7 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0506203
dc.identifierhttp://arxiv.org/abs/cond-mat/0506203
dc.identifierPhys. Rev. B 72, 125127 (2005)
dc.identifierdoi:10.1103/PhysRevB.72.125127
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95148
dc.subjectStrongly Correlated Electrons
dc.titleUnusual quasi-one-dimensional electron dispersions in the spin-1/2 quantum magnet TiOCl
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