Inverse isotope effects and models for high-Tc superconductivity

David R. Penn, Marvin L. Cohen, Vincent H. Crespi

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


A model for high-temperature superconductivity with a mass-independent electronic mechanism in conjunction with a moderate amount of electron-phonon coupling has previously been shown to be inconsistent with experimental constraints on Tc, the isotope effect exponent, and the electron-phonon coupling. The present work allows for an electronic mechanism with an inverse isotope effect. In this case, the model is consistent with the experimental constraints.

Original languageEnglish (US)
Pages (from-to)5528-5530
Number of pages3
JournalPhysical Review B
Issue number9
StatePublished - 1993

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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