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Effective t-J Hamiltonian for the Copper Oxides

J. J. Rodriguez-Nunez·Hans Beck
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Abstract

Starting from the Emery model, which is assumed to describe the copper oxygen planes, and including direct oxygen hopping matrix elements, we have been able to derive the effective t-J Hamiltonian for the copper orbitals using the Linked Cluster Expansion Method up to fourth order in the hybridization matrix element.

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J. J. Rodriguez-Nunez, Hans Beck. 1993-09-23. Effective t-J Hamiltonian for the Copper Oxides. https://doi.org/10.1088/0953-8984%2F5%2F47%2F003

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