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Measuring the kernel of time-dependent density functional theory with x-ray absorption spectroscopy of transition
A Scherz1, E K U Gross, H Appel
1Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany.
Physical Review Letters
|December 31, 2005
Abstract:
The 2p-3d core-hole interaction in the L2.3 absorption spectra of the 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.
