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

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

1995-10-23

arxiv.org/abs/cond-mat/9510131v1

Phys. Rev. B 52, 12534 (1995)

Physics

Condensed Matter

9 pages, RevTex, 4 postscript figures in one ps-file, Latex file and figures have been uuencoded; to appear in Phys.Rev.B

Scientific paper

10.1103/PhysRevB.52.12534

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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