Electron-phonon interaction and superconductivity in metallic molecular hydrogen. I. Electronic and dynamical properties under pressure

Cudazzo, P. and Profeta, G. and Sanna, A. and Floris, A. and Continenza, A. and Massidda, S. and Gross, E. K. U. (2010) Electron-phonon interaction and superconductivity in metallic molecular hydrogen. I. Electronic and dynamical properties under pressure. Physical Review B, 81 (13). ISSN 2469-9950

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Item Type:Article
Item Status:Live Archive

Abstract

The structural, electronic, and dynamical properties of molecular hydrogen under pressure are investigated by first-principles calculations. A detailed study of the Cmca phase, believed to be the stable phase at very high pressure, reveals the mechanisms of metallization and their impacts on the electronic and dynamical properties which are at the basis of the predicted onset of high-temperature superconductivity in molecular H2. Pressure is shown to greatly affect the electronic and dynamical properties of this system acting on different and connected aspects, namely, Fermi surfaces, phonon softenings, charge transfer, all of them concurring as propitious features to the onset of high-temperature superconductivity.

Keywords:Superconductivity
Subjects:F Physical Sciences > F300 Physics
Divisions:College of Science > School of Mathematics and Physics
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ID Code:22797
Deposited On:02 Jun 2016 12:36

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