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Electronic Structure, Electron-Phonon Coupling, and Multiband Effects in MgB2
I. I. Mazin, V. P. Antropov
We review the current situation in the theory of superconducting and transport properties of MgB2. First principle calculations of of the electronic structure and electron-phonon c…
Comment on "First-principles calculation of the superconducting transition in MgB2 within the anisotropic Eliashberg formalism"
I. I. Mazin, O. K. Andersen, O. Jepsen +3
Choi et al. [Phys. Rev. B 66, 020513 (2002)] recently presented first principles calculations of the electron-phonon coupling and superconductivity in MgB2, emphasizing the importa…
Correlated metals and the LDA+U method
I. I. Mazin, A. G. Petukhov, L. Chioncel +1
While LDA+U method is well established for strongly correlated materials with well localized orbitals, its application to weakly correlated metals is questionable. By extending the…
Two-gap superconductivity in MgB: clean or dirty?
I. I. Mazin, O. K. Andersen, O. Jepsen +5
A large number of experimental facts and theoretical arguments favor a two-gap model for superconductivity in MgB. However, this model predicts strong suppression of the crit…
Interpretation of the de Haas - van Alphen experiments in MgB2
I. I. Mazin, Jens Kortus
Recent reports on quantum oscillations in MgB2 provide valuable information on three important aspects of this material: (1) electronic structure near the Fermi level, (2) disparit…