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5 papers · 2 filters
Role of electron-phonon interaction in the strongly correlated cuprates superconductors
Z. -X. Shen, A. Lanzara, S. Ishihara +1
Using high resolution angle-resolved photoemission data in conjunction with that from neutron and other probes, we show that electron-phonon (el-ph) coupling is strong in cuprates…
Soft x-ray spectroscopy experiments on the near K-edge of B in MB2 (M=Mg, Al, Ta, and Nb)
J. Nakamura, N. Yamada, K. Kuroki +4
Soft X-ray absorption and emission measurements are performed for the K- edge of B in MB (M=Mg, Al, Ta and Nb). Unique feature of MgB with a high density of B 2-…
Constancy of the bilayer splitting as a function of doping in
Y. -D. Chuang, A. D. Gromko, A. V. Fedorov +4
Using high energy resolution angle resolved photoemission spectroscopy, we have resolved the bilayer splitting effect in a wide range of dopings of the bilayer cuprate $Bi_{2}Sr_{2…
Doubling of the bands in overdoped Bi2Sr2CaCu2O8-probable evidence for c-axis bilayer coupling
Y. -D. Chuang, A. D. Gromko, A. Fedorov +6
We present high resolution ARPES data of the bilayer superconductor Bi2Sr2CaCu2O8 (Bi2212) showing a clear doubling of the near EF bands. This splitting approaches zero along the (…
Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors
A. Lanzara, P. V. Bogdanov, X. J. Zhou +12
Coupling between electrons and phonons (lattice vibrations) drives the formation of the electron pairs responsible for conventional superconductivity. The lack of direct evidence f…