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cond-mat1994
Large Phase Separation and Superconductivity in the Copper Oxide Chain
C. Vermeulen, W. Barford, E. R. Gagliano
The phase diagram of the copper-oxide chain as a function of density and the nearest-neighbour Coulomb interaction, V, is determined. Phase separation takes place above a critical…
cond-mat1994
Charge Transfer Excitons and the Metal-Insulator Transition in the High Temperature Superconductors
C. Vermeulen, W. Barford, E. R. Gagliano
The effects of the nearest neighbour Coulomb repulsion, V, are considered in the one dimensional copper-oxide chain using the modified Lanczos method. Above a critical value of V w…