Electronic-Spectrum of the High-Temperature Superconducting State
Improved experimental conditions enabled us to increase the signal-to-noise ratio of the photoemission spectra for the superconducting state of Bi2Ca2SrCu2O8, taken with high angular and energy resolution. This also enabled us to reveal a pronounced minimum that separates the two basic features of the spectrum, the narrow quasiparticle excitation peak and the still controversial broad band at lower kinetic energies. The minimum is approximately 3-DELTA below the Fermi level.
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Hwu, Y., Lozzi, L., Marsi, M., Larosa, S., Winokur, M., Davis, P., Onellion, M., Berger, H., Gozzo, F., Levy, F., & Margaritondo, G. (1991). Electronic-Spectrum of the High-Temperature Superconducting State. Physical Review Letters, 67(18), 2573–2576. https://doi.org/10.1103/PhysRevLett.67.2573
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WOS:A1991GL80100043
1991
67
18
2573
2576
Univ wisconsin,ctr synchrotron radiat,madison,wi 53706. ecole polytech fed lausanne,ph ecublens,inst phys appl,ch-1015 lausanne,switzerland. Hwu, y, univ wisconsin,dept phys,madison,wi 53706.
ISI Document Delivery No.: GL801
REVIEWED
EPFL