Abstract
The total and partial densities of states and the K X-ray emission spectrum have been calculated for copper using the results of a bandstructure calculation by the H-NFE-TB scheme and the dipole approximation. The CuK band emission was measured using a two-crystal X-ray spectrometer. The computed spectrum is in good agreement with the experiment. The results show that the observed two-peak structure of the CuK band is obtained in the dipole approximation, without including the quadrupole term or many-body effects, which are suggested in some recent studies.
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