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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 9, Iss. 2 — Feb. 1, 1992
  • pp: 185–190

Improved calculation of fine-structure splittings in the ground state of potassiumlike ions

M. A. Ali and Y.-K. Kim  »View Author Affiliations


JOSA B, Vol. 9, Issue 2, pp. 185-190 (1992)
http://dx.doi.org/10.1364/JOSAB.9.000185


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Abstract

The fine-structure splitting between the 3p63d 2DJ, J = 3/2 and J = 5/2 levels of K-like ions, Ti3+ to U73+, are calculated by means of Dirac–Fock single-configuration and multiconfiguration wave functions. The multiconfiguration calculation includes jj configurations arising from some selected nonrelativistic configurations in the M-shell Coulomb complex; these include all the Dirac-Fock configurations with the principal quantum number n = 3, which are degenerate in the pure jj coupling limit for infinite nuclear charge Z, along with other configurations such that the calculated energy is correct to order Z2 and Z asymptotically. The difference between known experimental and calculated multiconfiguration Dirac–Fock fine-structure splittings is almost independent of Z, thus allowing us to predict unknown values reliably. From this plot and a comparison of theoretical and experimental results we conclude thatthe observed fine-structure splitting of Ag28+ [J. Opt. Soc. Am. B 2, 1661 (1985)] is too small. We present splittings in high-Z K-like ions for which experimental values are unknown.

© 1992 Optical Society of America

Citation
M. A. Ali and Y.-K. Kim, "Improved calculation of fine-structure splittings in the ground state of potassiumlike ions," J. Opt. Soc. Am. B 9, 185-190 (1992)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-9-2-185


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