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- W1815152079 abstract "By a canonical transformation of the three-band Hubbard model, we introduce an effective Hamiltonian for the propagation of two holes doped into the ground state of the Cu-O plane. When the pair belongs to the $^{1}B_{2}$ or $% ^{1}A_{2}$ Irreducible Representations of the C$_{4v}$ Group, the bare holes do not interact by the on-site repulsion; the effective interaction between the dressed holes is obtained analytically in terms of renormalized matrix elements, and generalizes earlier findings from cluster calculations. The Fermi liquid is unstable and numerical estimates with reasonable parameters of the binding energy of the pair are in the range of tens of meV. Our scheme naturally lends itself to embody phonon-mediated and other interactions which cannot occur in the Hubbard model but may give important contributions." @default.
- W1815152079 created "2016-06-24" @default.
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- W1815152079 date "1998-08-19" @default.
- W1815152079 modified "2023-09-27" @default.
- W1815152079 title "Pairing in the Three-Band Hubbard Model of the Cu-O Plane" @default.
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