Physics – Condensed Matter – Materials Science
Scientific paper
2005-10-14
Physics
Condensed Matter
Materials Science
7 pages, 11 figures
Scientific paper
10.1002/qua.20964
A simple approximate solution to the linear response equations of time-dependent density functional theory (TDDFT) is given. This extends the single-pole approximation (SPA) to two strongly-coupled poles. The analysis provides both an illustration of how TDDFT works when strong exchange-correlation effects are present and insight into such corrections. For example, interaction can cause a transition to vanish entirely from the optical spectrum.
Appel Heiko
Burke Korana
Gross Eberhard K. U.
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