Energy levels and lifetimes of Nd IV, Pm IV, Sm IV, and Eu IV

V. A. Dzuba; U. I. Safronova; W. R. Johnson

doi:10.1103/PhysRevA.68.032503

Energy levels and lifetimes of Nd IV, Pm IV, Sm IV, and Eu IV

V. A. Dzuba, U. I. Safronova, and W. R. Johnson

Phys. Rev. A 68, 032503 – Published 8 September 2003

Abstract

To address the shortage of experimental data for electron spectra of triply ionized rare-earth elements we have calculated energy levels and lifetimes of ${4 f}^{n + 1}$ and ${4 f}^{n} 5 d$ configurations of Nd IV $(n = 2),$ Pm IV $(n = 3),$ Sm IV $(n = 4),$ and Eu IV $(n = 5)$ using Hartree-Fock and configuration-interaction methods. To control the accuracy of our calculations we also performed similar calculations for Pr III, Nd III, and Sm III, for which experimental data are available. The results are important, in particular, for physics of magnetic garnets.

Received 20 June 2003

DOI:https://doi.org/10.1103/PhysRevA.68.032503

Authors & Affiliations

V. A. Dzuba^*

School of Physics, University of New South Wales, Sydney 2052, Australia

U. I. Safronova^† and W. R. Johnson^‡

Department of Physics, 225 Nieuwland Science Hall, University of Notre Dame, Notre Dame, Indiana 46556, USA

^*Electronic address: dzuba@newt.phys.unsw.edu.au
^†Electronic address: usafrono@nd.edu
^‡Electronic address: johnson@nd.edu; URL: www.nd.edu/ $^{\sim}$ johnson

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Vol. 68, Iss. 3 — September 2003

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