Edge states of Spin-1/2 Two-Leg Ladder with Four-Spin Ring Exchange

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dc.creatorArikawa, Mitsuhiro
dc.creatorTanaya, Shou
dc.creatorMaruyama, Isao
dc.creatorHatsugai, Yasuhiro
dc.date2008-12-18
dc.date2009-05-12
dc.date.accessioned2026-07-07T13:13:23Z
dc.date.available2026-07-07T13:13:23Z
dc.descriptionA topological insulator and its spin analogue as a gapped spin liquid have characteristic low energy excitations (edge states) within the gap when the systems have boundaries. This is the bulk-edge correspondence, which implies that the edge states themselves characterize the gapped bulk spin liquid. Based on the general principle, we analyzed the vector chirality phase of the spin-1/2 ladder with ring exchange by using the edge states and the entanglement entropy.
dc.description6 pages, 10 figures
dc.identifierhttps://arxiv.org/abs/0812.3445
dc.identifierhttp://arxiv.org/abs/0812.3445
dc.identifierPhys. Rev. B 79, 205107 (2009)
dc.identifierdoi:10.1103/PhysRevB.79.205107
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/229871
dc.subjectStrongly Correlated Electrons
dc.titleEdge states of Spin-1/2 Two-Leg Ladder with Four-Spin Ring Exchange
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