Multiband superconductivity in Pb, H under pressure and CaBeSi from ab initio calculations

C. Bersier*, A. Floris, P. Cudazzo, G. Profeta, A. Sanna, F. Bernardini, M. Monni, S. Pittalis, S. Sharma, H. Glawe, A. Continenza, S. Massidda, E. K.U. Gross

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Superconductivity in Pb, H under extreme pressure and CaBeSi, in the framework of the density functional theory for superconductors, is discussed. A detailed analysis on how the electron-phonon and electron-electron interactions combine together to determine the superconducting gap and critical temperature of these systems is presented. Pb, H under pressure and CaBeSi are multigap superconductors. We will address the question under which conditions does a system exhibits this phenomenon. The presented results contribute to the understanding of multiband and anisotropic superconductivity, which has received a lot of attention since the discovery of MgB2, and show how it is possible to describe the superconducting properties of real materials on a fully ab initio basis.

Original languageAmerican English
Article number164209
JournalJournal of Physics Condensed Matter
Issue number16
StatePublished - 2009
Externally publishedYes


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