Resonant Raman scattering in YBa2Cu3O7: Band theory and experiment

E. T. Heyen, Sergey Rashkeev, I. I. Mazin, O. K. Andersen, R. Liu, M. Cardona, O. Jepsen

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We have measured and calculated the dependence of the Raman phonon intensities of YBa2Cu3O7 on laser frequency. The local-density approximation and the linear muffin-tin-orbital method were used for the calculations. We find good agreement not only in the absolute phonon intensities in zz or xx/yy polarization but also in the shape of the resonance profiles. These results indicate that the local-density approximation gives an essentially correct description of the band structure and of the electron-phonon interaction ±2 eV around the Fermi energy. We interpret our data in terms of specific interband transitions and estimate the mode mixing.

Original languageEnglish
Pages (from-to)3048-3051
Number of pages4
JournalPhysical Review Letters
Issue number24
Publication statusPublished - 1 Dec 1990
Externally publishedYes


ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Heyen, E. T., Rashkeev, S., Mazin, I. I., Andersen, O. K., Liu, R., Cardona, M., & Jepsen, O. (1990). Resonant Raman scattering in YBa2Cu3O7: Band theory and experiment. Physical Review Letters, 65(24), 3048-3051.