Rotational Symmetry Breaking in Sodium Doped Cuprates

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dc.creatorChen, Yan
dc.creatorRice, T. M.
dc.creatorZhang, F. C.
dc.date2006-04-07
dc.date.accessioned2026-07-07T07:05:21Z
dc.date.available2026-07-07T07:05:21Z
dc.descriptionFor reasonable parameters a hole bound to a Na^{+} acceptor in Ca_{2-x}Na_{x}CuO_{2}Cl_{2} has a doubly degenerate ground state whose components can be represented as states with even (odd) reflection symmetry around the x(y) -axes. The conductance pattern for one state is anisotropic as the tip of a tunneling microscope scans above the Cu-O-Cu bonds along the x(y)-axes. This anisotropy is pronounced at lower voltages but is reduced at higher voltages. Qualitative agreement with recent experiments leads us to propose this effect as an explanation of the broken local rotational symmetry.
dc.description10 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0604190
dc.identifierhttp://arxiv.org/abs/cond-mat/0604190
dc.identifierPhysical Review Letters 97, 237004 (2006).
dc.identifierdoi:10.1103/PhysRevLett.97.237004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/109636
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleRotational Symmetry Breaking in Sodium Doped Cuprates
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