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Title:: Spectral functions for strongly correlated5felectrons
Document type:: Zeitschriftenaufsatz
Author(s):: Pollmann, F.; Zwicknagl, G.
Abstract:: We calculate the spectral functions of model systems describing 5f compounds adopting cluster perturbation theory. The method allows for an accurate treatment of the short-range correlations. The calculated excitation spectra exhibit coherent 5f bands coexisting with features associated with local intra-atomic transitions. The findings provide a microscopic basis for partial localization. Results are presented for linear chains.
Journal title:: Physical Review B 2006-01
Year:: 2006
Journal volume:: 73
Journal issue:: 3
Fulltext / DOI:: doi:10.1103/physrevb.73.035121
Publisher:: American Physical Society (APS)
E-ISSN:: 1098-01211550-235X
Date of publication:: 23.01.2006
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Spectral functions for strongly correlated5felectrons