अमूर्त
A15 compounds, strong coupling superconductivity and YBa2Cu3O7-x
S.B.Ota
The electron-phonon coupling constant ï¬ has been calculated for A15 compounds assuming the width of the ï‡12 band as 80 meV. ï¬ has been found to be inversely proportional to the molecular weight. Using the values of ï¬ the Coulomb pseudopotential ïÂÂ* has been found to be negative for YBa2Cu3O7-x.
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