Rapid Communications


, Volume 29, Issue 4, pp L423-L428

First online:

Criterion for superconductivity in highT c oxidic compounds

  • C M SrivastavaAffiliated withDepartment of Physics and Advanced Centre for Research in Electronics, Indian Institute of Technology

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A criterion for superconductivity in highT c oxidic compounds is proposed based on a short range cooperative electron-phonon coupling and the Darwin interaction for Cooper pairing. It is shown that the small polaron stabilization energy (ε p) should be less than about 0.04 eV and the system should have a metal ion for which Darwin interaction energy is large.


Superconductivity high temperature superconductivity electronic transport in oxides