Abstract
A consequence of strong antiferromagnetic correlations in models of high-Tc cuprates is the appearance in photoemission (PES) calculations of considerable more weight above the Fermi momentum PF than expected for non-interacting electrons. This effect, qualitatively discussed by Kampf and Schrieffer under the name of “shadow bands”, is here quantitatively analyzed in the two dimensional Hubbard and t-J models using Monte Carlo and exact diagonalization techniques in the realistic strong coupling regime.
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