Formation of collective spins in frustrated clusters

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dc.creatorRobert, Julien
dc.creatorSimonet, Virginie
dc.creatorCanals, Benjamin
dc.creatorBallou, Rafik
dc.creatorLhotel, Elsa
dc.creatorDarie, Céline
dc.creatorBordet, Pierre
dc.creatorOuladdiaf, Bachir
dc.creatorJohnson, Marc
dc.creatorOllivier, Jacques
dc.creatorBraithwaite, Daniel
dc.creatorRakoto, Harison
dc.creatorDe Brion, Sophie
dc.date2007-10-16
dc.date2008-08-13
dc.date.accessioned2026-07-07T09:56:06Z
dc.date.available2026-07-07T09:56:06Z
dc.descriptionUsing magnetization, specific heat and neutron scattering measurements, as well as exact calculations on realistic models, the magnetic properties of the \lacuvo compound are characterized on a wide temperature range. At high temperature, this oxide is well described by strongly correlated atomic $S$=1/2 spins while decreasing the temperature it switches to a set of weakly interacting and randomly distributed entangled pseudo spins $\tilde S=1/2$ and $\tilde S=0$. These pseudo-spins are built over frustrated clusters, similar to the kagomé building block, at the vertices of a triangular superlattice, the geometrical frustration intervening then at different scales.
dc.description10 pages
dc.identifierhttps://arxiv.org/abs/0710.3025
dc.identifierhttp://arxiv.org/abs/0710.3025
dc.identifierPhysical Review B 77 (2008) 054421
dc.identifierdoi:10.1103/PhysRevB.77.054421
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/166863
dc.subjectStrongly Correlated Electrons
dc.titleFormation of collective spins in frustrated clusters
dc.typetext

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