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We explore the possibility that the ionic electron polarizabilities of theoxygen ions in the cuprates and the bismutates and the polarizabilities of Asand Se ions in the iron pnictides contribute to charge carrier pairing leadingto high Tc superconductivity. Using the fact that the ionic polarizationresponse to a change in the electric field is practically instantaneous wefind, that the inter carrier electrostatic potential is attractive in a limiteddistance range. This potential is used to calculate quantum mechanically thecooper-like pairing energy and wavefunction and the gap energy showing they areconsistent with pairing and gap energies of high Tc superconductors.Qualitative considerations suggest that this model may explain a number ofimportant features of high Tc superconductors.

Cooper like paring and energy gap induced by ion electronic polarizability