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Singular Band Behavior of the Extended Emery Model for the Superconducting Cuprates

✍ Scribed by Ivana Mrkonjić; Slaven Barišić


Book ID
111594681
Publisher
Springer
Year
2004
Tongue
English
Weight
67 KB
Volume
17
Category
Article
ISSN
0896-1107

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We consider the effective extended Hubbard Hamiltonian for the cuprates, with nearest-neighbor hopping which depends on the occupation. Using exact diagonalization in a 4 • 4 cluster, we obtain a large enhancement of d-wave pairing correlation functions for optimum doping. The physical picture is co