Phase Diagram of a Spin Ladder with Cyclic Four Spin Exchange

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dc.creatorLaeuchli, A.
dc.creatorSchmid, G.
dc.creatorTroyer, M.
dc.date2002-06-10
dc.date2003-04-11
dc.date.accessioned2026-07-07T02:45:47Z
dc.date.available2026-07-07T02:45:47Z
dc.descriptionWe present the phase diagram of the $S=1/2$ Heisenberg model on the two leg ladder with cyclic four spin exchange, determined by a combination of Exact Diagonalization and Density Matrix Renormalization Group techniques. We find six different phases and regimes: the rung singlet phase, a ferromagnetic phase, two symmetry broken phases with staggered dimers and staggered scalar chiralities, and a gapped region with dominant vector chirality or collinear spin correlations. We localize the phase transitions and investigate their nature.
dc.description4 pages, 6 figures, REVTeX 4, published version
dc.identifierhttps://arxiv.org/abs/cond-mat/0206153
dc.identifierhttp://arxiv.org/abs/cond-mat/0206153
dc.identifierPhys. Rev. B 67, 100409(R) (2003)
dc.identifierdoi:10.1103/PhysRevB.67.100409
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19430
dc.subjectStrongly Correlated Electrons
dc.titlePhase Diagram of a Spin Ladder with Cyclic Four Spin Exchange
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