Polar Jahn-Teller Centers and Isotope Effect in Copper Oxide High-Tc-superconductors

Abstract

The CuO4-cluster based copper oxides are considered as generalized quantum lattice bose-gas or a system of the local singlet bosons moving in a lattice of the hole Jahn-Teller centers [CuO45-]JT. The model is illustrated by the qualitative and quantitative description of the various peculiarities of an isotope shift (IS-) effect in a series of 123-like oxides.