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Abstract:
Recent reports on quantum oscillations in MgB2 provide valuable
information on three important aspects of this material: (i)
electronic structure near the Fermi level, (ii) disparity of
the electron-phonon interaction between the two systems of
bands, and (iii) renormalization of spin susceptibility.
However, extraction of most of this information requires highly
accurate band-structure calculations of the relevant
quantities. In this paper we provide such calculations and use
them to analyze the experimental data.
