Comment on "Single Hole Dynamics in the CuO2 Plane at Half Filling"
Roland Fehrenbacher
Abstract
In a recent letter, Pothuizen et al. reported angle-resolved photoemission data on the single-layer insulating cuprate Sr2CuO2Cl2. This comment addresses the issue whether it is possible to deduce an accurate value for the O 2p hopping integral tpp from these experiments, and also cautions against drawing conclusions concerning scattering mechanisms in the CuO2 plane from a line-width analysis.
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