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We have exploited the resonant enhancement of the Ce 4f cross section around 120 eV to investigate the nature of the 4f states in CePd3 and CeSb. Our results are qualitatively consistent with the predictions of the Anderson Impurity Model. In CePd3 our high resolution spectra reveal the characteristic many-body spectral features near the Fermi level.
Giorgio Margaritondo, Helmuth Berger, Marco Grioni, Luca Perfetti