EFFECT OF ELECTRON-LATTICE INTERACTION ON THE BOUND-STATES IN THE PEIERLS D-P MODEL

The bound states of p holes are investigated within the Peierls d-p mo del. The binding energy of p holes is computed as a function of electr on-lattice interaction within the mean-field theory with periodic boun dary conditions. It is negative, as a result, p holes pair in a single t state. It turns out that electron-lattice interaction is important i n the electronic states of the high-T-c, cuprates.