A re-examination of the electronic structure of Bi_2Sr_2CaCu_2O_{8+d} and Bi_2Sr_2Cu_1O_{6+d} - An electron-like Fermi Surface and the absence of flat bands at $E_F$

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dc.creatorChuang, Y. D.
dc.creatorGromko, A. D.
dc.creatorDessau, D. S.
dc.creatorAiura, Y.
dc.creatorYamaguchi, Y.
dc.creatorOka, K.
dc.creatorArko, A. J.
dc.creatorJoyce, J.
dc.creatorEisaki, H.
dc.creatorUchida, S. I.
dc.creatorNakamura, K.
dc.creatorAndo, Yoichi
dc.date1999-04-03
dc.date.accessioned2026-07-07T03:13:11Z
dc.date.available2026-07-07T03:13:11Z
dc.descriptionWe present a re-examination of the electronic structure and Fermi Surface (FS) of Bi-Sr-Ca-Cu-O (BSCCO) as obtained from angle-resolved photoemission experiments. By applying a stricter set of FS crossing criteria as well as by varying the incident photon energy outside the usual range, we have found very different behavior from that previously observed. In particular we have found an electron-like FS centered around the Gamma point, and the flat bands at E_F near the M point of the zone are absent. These results are robust over a large range of dopings and from single to double layer samples.
dc.description4 RevTeX pgs, 4 eps figures, submitted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/9904050
dc.identifierhttp://arxiv.org/abs/cond-mat/9904050
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29197
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleA re-examination of the electronic structure of Bi_2Sr_2CaCu_2O_{8+d} and Bi_2Sr_2Cu_1O_{6+d} - An electron-like Fermi Surface and the absence of flat bands at $E_F$
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