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Momentum dependence of the electron-phonon coupling and self-energy effects in YBa_2Cu_3O_7 within the local density approximation
Rolf Heid, Klaus-Peter Bohnen, Roland Zeyher +1
Using the local density approximation (LDA) and a realistic phonon spectrum we determine the momentum and frequency dependence of in YBaCuO for the bo…
Two-phonon contributions to inelastic x-ray scattering spectra of MgB2
A. Q. R. Baron, H. Uchiyama, R. Heid +6
Two-phonon contributions to meV-resolved inelastic x-ray scattering spectra of MgB2 at 300K are identified, in good agreement, in both intensity and energy, with a harmonic calcula…
LiBC - A prevented superconductor
B. Renker, H. Schober, P. Adelmann +3
We have investigated the lattice dynamics of LiBC. Experimental Raman and inelastic neutron scattering results are confronted with density functional calculations. The excellent ag…
Electronic structure of single-crystalline Mg(x)Al(1-x)B(2)
S. Schuppler, E. Pellegrin, N. Nuecker +11
Polarization-dependent x-ray absorption spectroscopy at the B 1s edge of single-crystalline Mg(x)Al(1-x)B(2) reveals a strongly anisotropic electronic structure near the Fermi ener…