Valence-bond crystal in a {111} slice of the pyrochlore antiferromagnet

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dc.creatorTchernyshyov, Oleg
dc.creatorYao, Hong
dc.creatorMoessner, R.
dc.date2003-12-04
dc.date2004-02-07
dc.date.accessioned2026-07-07T02:55:13Z
dc.date.available2026-07-07T02:55:13Z
dc.descriptionWe investigate theoretically the ordering effect of quantum spin fluctuations in a Heisenberg antiferromagnet on a two-dimensional network of corner sharing tetrahedra. This network is obtained as a {111} slice of the highly frustrated pyrochlore lattice, from which it inherits the equivalence of all three pairs of opposite bonds of each tetrahedron. The lowest-order (in 1/S) quantum corrections partially lift the huge degeneracy of the classical ground state and select an ensemble of states with long-range valence-bond order.
dc.description4 pages, 2 EPS figures. Minor revision: clarifications in response to referee comments, additional references
dc.identifierhttps://arxiv.org/abs/cond-mat/0312141
dc.identifierhttp://arxiv.org/abs/cond-mat/0312141
dc.identifierPhys. Rev. B 69, 212402 (2004)
dc.identifierdoi:10.1103/PhysRevB.69.212402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22856
dc.subjectStrongly Correlated Electrons
dc.titleValence-bond crystal in a {111} slice of the pyrochlore antiferromagnet
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