Comment on "First-principles calculation of the superconducting transition in MgB2 within the anisotropic Eliashberg formalism"

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dc.creatorMazin, I. I.
dc.creatorAndersen, O. K.
dc.creatorJepsen, O.
dc.creatorGolubov, A. A.
dc.creatorDolgov, O. V.
dc.creatorKortus, J.
dc.date2002-12-17
dc.date2003-04-14
dc.date.accessioned2026-07-07T02:48:48Z
dc.date.available2026-07-07T02:48:48Z
dc.descriptionChoi et al. [Phys. Rev. B 66, 020513 (2002)] recently presented first principles calculations of the electron-phonon coupling and superconductivity in MgB2, emphasizing the importance of anisotropy and anharmonicity. We point out that (1) variation of the superconducting gap inside the sigma- or the pi-bands can hardly be observed in real samples, and (2) taking the anisotropy of the Coulomb repulsion into account influences the size of the small gap, Delta_pi.
dc.description3 pages, 2 color figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0212417
dc.identifierhttp://arxiv.org/abs/cond-mat/0212417
dc.identifierPhys. Rev. B 96, 056502 (2004)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20551
dc.subjectSuperconductivity
dc.titleComment on "First-principles calculation of the superconducting transition in MgB2 within the anisotropic Eliashberg formalism"
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