Exact spontaneous plaquette ground states for high-spin ladder models

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dc.creatorChen, Shu
dc.creatorWu, Congjun
dc.creatorZhang, Shou-Cheng
dc.creatorWang, Yupeng
dc.date2005-07-11
dc.date2005-12-01
dc.date.accessioned2026-07-07T06:41:19Z
dc.date.available2026-07-07T06:41:19Z
dc.descriptionWe study the exchange physics in high spin Mott insulating systems with $S=3/2$ which is realizable in ultracold atomic systems. The high symmetry of SO(5) or SU(4) therein renders stronger quantum fluctuations than the usual spin-1/2 systems. A spontaneous plaquette ground state without any site and bond spin orders is rigorously proved in a ladder spin-3/2 model, whose topological excitations exhibit fractionalization behavior. The generalization to the SU(N) plaquette state is also investigated.
dc.description4 pages, 3 figures, version to be published in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/cond-mat/0507234
dc.identifierhttp://arxiv.org/abs/cond-mat/0507234
dc.identifierPhys. Rev. B 72, 214428 (2005)
dc.identifierdoi:10.1103/PhysRevB.72.214428
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101626
dc.subjectStrongly Correlated Electrons
dc.titleExact spontaneous plaquette ground states for high-spin ladder models
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