T W Barbee III1, M L Cohen1, L C Bourne1 and A Zettl1
Published under licence by IOP Publishing Ltd
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Citation T W Barbee III et al 1988 J. Phys. C: Solid State Phys. 21 5977
DOI 10.1088/0022-3719/21/35/018
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The authors explored standard isotropic three-dimensional theory for the isotope effect with a purely electron-phonon attractive interaction. They find that additional features are necessary to account for the observed values of the isotope effect in the high-Tc superconducting oxides. Some recent proposals for possible explanations of the observed reduced isotope effects are discussed.