Excitations in time-dependent density-functional theory

H. Appel*, E. K.U. Gross, K. Burke

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

148 Scopus citations

Abstract

Excitations in time-dependent density-functional theory (DFT) were discussed. It was shown that when the excitations of a system were discrete, an approximate solution, that can be made arbitrarily accurate, can be used to understand. The approximation yielded simple expressions for Gȯrling-Levy perturbation theory results and a method for estimating expectations values of the unknown exchange-correlation level.

Original languageAmerican English
Article number043005
Pages (from-to)430051-430054
Number of pages4
JournalPhysical Review Letters
Volume90
Issue number4
StatePublished - 31 Jan 2003
Externally publishedYes

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