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Superconductivity in Metallic Hydrogen
Abstract The occurrence of superconductivity in the metallic phase of hydrogen is re-examined. While the band structure is quite free electron-like, the wavefunctions look like atomic wavefunctions near the protons. A consideration of the electron-phonon interaction reveals that the motion of the bound part of the electron wave-functions considerably decreases the effective electron-phonon coupling constant over previous estimates. The alternative derivation of the electron-phonon coupling constant in terms of phase shifts is also discussed and the effects of screening are considered. Again the estimate of Tc are found to be considerably reduced by screening effects.
Superconductivity in Metallic Hydrogen
Abstract The occurrence of superconductivity in the metallic phase of hydrogen is re-examined. While the band structure is quite free electron-like, the wavefunctions look like atomic wavefunctions near the protons. A consideration of the electron-phonon interaction reveals that the motion of the bound part of the electron wave-functions considerably decreases the effective electron-phonon coupling constant over previous estimates. The alternative derivation of the electron-phonon coupling constant in terms of phase shifts is also discussed and the effects of screening are considered. Again the estimate of Tc are found to be considerably reduced by screening effects.
Superconductivity in Metallic Hydrogen
Gupta, R. P. (Autor:in) / Sinha, S. K. (Autor:in)
01.01.1976
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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