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Self-consistent Born approximation for the hole motion in the three-band model: a comparison with photoemission experiments

Oleg A. Starykh·Oziel F. de Alcantara Bonfim·George F. Reiter
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Abstract

The dispersion relation of the single hole in the $CuO_2$ plane is calculated in the self-consistent Born approximation for the three-band Hamiltonian. We find that direct oxygen-oxygen hopping removes the strong anisotropy of the hole spectrum around the band minima. Our results compare well with recent photoemission measurements of the single-hole dispersion relation in $Sr_2 CuO_2 Cl_2$.

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Oleg A. Starykh, Oziel F. de Alcantara Bonfim, George F. Reiter. 1995-10-23. Self-consistent Born approximation for the hole motion in the three-band model: a comparison with photoemission experiments. https://doi.org/10.1103/physrevb.52.12534

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