Effective dimension of quasiparticle states and remnant Fermi surface in oxychlorides Ca2CuO2Cl2 and Sr2CuO2Cl2
Abstract
Formal similarity between k- area for the contribution from ZR-states and the remnant Fermi surface has been found. Presence of the contribution from 3B1g- states at other k- area means the two-channel processes of scattering. As consequence, the method of integration with a constant energy interval reproduces not only remnant Fermi surface at least, but one of the contributions of above states to the total spectral intensity
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