Phys. Rev. Lett. 91, 263001 (2003) [4 pages]Accurate Rydberg Excitations from the Local Density Approximation |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
Adam Wasserman1, Neepa T. Maitra2, and Kieron Burke1
1Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersey 08854, USA
2Department of Physics and Astronomy, Hunter College of the City University of New York, 695 Park Avenue, New York, New York 10021, USA
Received 2 June 2003; published 29 December 2003
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.
©2003 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v91/e263001
DOI: 10.1103/PhysRevLett.91.263001
PACS: 31.15.Ew, 31.10.+z, 31.25.Jf, 32.70.Cs
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