The attainable superconducting Tc in a model of phase coherence by percolating

The onset of macroscopic phase coherence in superconducting cuprates is considered to be determined by random percolating between mesoscopic Jahn-Teller pairs, stripes or clusters. The model is found to predict the onset of superconductivity near 6% doping, maximum T-c near 15% doping and T-c similar or equal to T* at optimum doping, and accounts for the destruction of superconductivity by Zn doping near 7%. The model also predicts a relation between the pairing (pseudogap) energy and T-c in terms of experimentally measurable quantities.