Angle-Resolved Photoemission from Cuprates with Static Stripes
arXiv:1303.1774 · doi:10.1016/j.physc.2012.04.005
Abstract
25 years after discovery of high-temperature superconductivity (HTSC) in LaBaCuO (LBCO), the HTSC continues to pose some of the biggest challenges in materials science. Cuprates are fundamentally different from conventional superconductors in that the metallic conductivity and superconductivity are induced by doping carriers into an antiferromagnetically ordered correlated insulator. In such systems, the normal state is expected to be quite different from a Landau-Fermi liquid - the basis for the conventional BCS theory of superconductivity. The situation is additionally complicated by the fact that cuprates are susceptible to charge/spin ordering tendencies, especially in the low-doping regime. The role of such tendencies on the phenomenon of superconductivity is still not completely clear. Here, we present studies of the electronic structure in cuprates where the superconductivity is strongly suppressed as static spin and charge orders or stripes develop near the doping level of and outside of the superconducting dome, for . We discuss the relationship between the stripes, superconductivity, pseudogap and the observed electronic excitations in these materials.
8 pages, 13 figures. arXiv admin note: substantial text overlap with arXiv:cond-mat/0612672
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