Quantum oscillations of ortho-II YBa_2Cu_3O_6.5

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dc.creatorPodolsky, Daniel
dc.creatorKee, Hae-Young
dc.date2008-05-30
dc.date2008-12-19
dc.date.accessioned2026-07-07T12:20:04Z
dc.date.available2026-07-07T12:20:04Z
dc.descriptionMotivated by quantum oscillations observed in highly ordered ortho-II YBa_2Cu_3O_6.5, we study the Fermi surface topology of d-density wave (ddw) or antiferromagnetic (AF) ordering in the presence of the ortho-II potential. We find that the electron pocket is unaffected by the presence of the ortho-II potential. This further strengthens the proposal that quantum oscillations observed in ortho-II-free YBa_2Cu_4O_8 arise from an electron pocket. On the other hand, the hole pocket topology is sensitive to the ortho-II potential. We show there exist generically three distinct quantum oscillations associated with one electron-like and two hole-like Fermi pockets. We compare our results to the quantum oscillations observed in experiments. We discuss possible ways to distinguish between ddw and antiferromagnetic orders in a potential single-layer ortho-II material.
dc.description5 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0806.0005
dc.identifierhttp://arxiv.org/abs/0806.0005
dc.identifierPhys. Rev. B 78, 224516 (2008)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/212968
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleQuantum oscillations of ortho-II YBa_2Cu_3O_6.5
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