1994•Chinese Physics LettersOpen access

Highly-Excited Double Rydberg States of Ytterbium

Xiang-Yuan Xu, Wen Huang, Chengbin Xu, Meng Xue, Dieyan Chen

Abstract

By using five-laser resonance excitation in combination with a new detection method, the highly-excited double Rydberg states NLn'l ( N ⩾ 40, N / n' ⩾ 0.5 and L , l < 4) of Yb have been observed. The relative excitation strengths between the Δ l allowed and forbidden core transitions can be quantitatively measured. Analysis of the spectra has revealed the strong electronic correlation in such highly excited states.

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Key concepts: Rydberg formula, Excited state, Atomic physics, Ytterbium, Excitation, Resonance (particle physics), Spectral line, Laser