Rydberg states of atoms in parallel electric and magnetic fields

J. P. Santos, F. Mota-Furtado, M. F. Laranjeira, F. Parente

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We present theoretical results for the photoabsorption spectrum of an atom in parallel electric and magnetic fields, using the R-matrix method combined with quantum-defect theory. We introduce a radial basis set which is complete and orthonormal over a semi-infinite interval [r0, ∞), to allow calculations to be performed for high Rydberg states in nonhydrogenic atoms without encountering problems due to linear dependence of the basis set. The nonhydrogenic character of the spectra is analyzed for Li and Rb, and a comparison is made with previous high-precision experiments which shows that the theoretical results agree very well with experiment.

Original languageEnglish
Pages (from-to)1703-1706
Number of pages4
JournalPhysical Review A
Volume59
Issue number2-3
DOIs
Publication statusPublished - Feb 1999

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