Forbidden 2 P – nP  and 2 P – nF  transitions in the energy spectrum of ultracold Rydberg lithium-7 atoms

B. B. Zelener; S. A. Saakyan; V. A. Sautenkov; E. A. Manykin; B. V. Zelener; V. E. Fortov

doi:10.1134/S1063776116040099

Forbidden 2P–nP and 2P–nF transitions in the energy spectrum of ultracold Rydberg lithium-7 atoms

Authors: Zelener B.B.¹, Saakyan S.A.¹, Sautenkov V.A.¹, Manykin E.A.¹, Zelener B.V.¹, Fortov V.E.¹
Affiliations:
1. Joint Institute for High Temperatures
Issue: Vol 122, No 4 (2016)
Pages: 645-649
Section: Atoms, Molecules, Optics
URL: https://journals.rcsi.science/1063-7761/article/view/190103
DOI: https://doi.org/10.1134/S1063776116040099
ID: 190103

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Abstract

Forbidden 2P–nP and 2P–nF transitions in the ranges of the principal quantum number n = 42–114 and n = 38–48 have been detected in the optical spectra of ultracold highly excited lithium-7 atoms. The presence of forbidden transitions is due to induced external electric fields. The quantum defects and ionization energy obtained in various experiments and predicted theoretically have been discussed.