Scherz, A.; Gross, E. K. U.; Appel, H.; Sorg, C.; Baberschke, K.; Wende, Heiko; Burke, K.:

Measuring the kernel of time-dependent density functional theory with X-ray absorption spectroscopy of 3d transition metals

In: Physical Review Letters (aktuelle Jahrgänge), Jg. 95 (2005), S. 253006-1 - 253006-4
ISSN: 1079-7114
Zeitschriftenaufsatz / Fach: Physik
The 2p-3d core-hole interaction in the L2,3 absorption spectra of the 3d transition metals is treated within time-dependent density functional theory. A simple three-level model explains the origin of the strong deviations from the one-particle branching ratio and yields matrix elements of the unknown exchange-correlation kernel directly from experiment.

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