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Multiband model for penetration depth in MgB2

A. A. Golubov·A. Brinkman·O. V. Dolgov·J. Kortus·O. Jepsen
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Abstract

The results of first principles calculations of the electronic structure and the electron-phonon interaction in MgB2 are used to study theoretically the temperature dependence and anisotropy of the magnetic field penetration depth. The effects of impurity scattering are essential for a proper description of the experimental results. We compare our results with experimental data and we argue that the two-band model describes the data rather well.

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A. A. Golubov, A. Brinkman, O. V. Dolgov, J. Kortus, O. Jepsen. 2002-05-08. Multiband model for penetration depth in MgB2. https://doi.org/10.1103/physrevb.66.054524

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