Accurate rydberg excitations from the local density approximation

Adam Wasserman, Neepa T. Maitra, Kieron Burke

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Despite the incorrect asymptotic behavior of its potential, the time-dependent local density approximation can yield accurate optical spectra. The oscillator strengths of Rydberg excitations appear in the calculated spectrum as continuum contributions with excellent optical intensity. We explain why, illustrate this for the neon and helium atoms, and also discuss when such calculations of the optical response will be inaccurate.

Original languageEnglish (US)
JournalPhysical review letters
Volume91
Issue number26
DOIs
StatePublished - 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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