Eur. Phys. J. D 15, 287-292 (2001)
https://doi.org/10.1007/s100530170142

Spin-polarized Dirac-Slater calculations on the energies of hollow argon atom

Department of Physics, University of Mumbai, Mumbai 400098, India

Corresponding author: ^a lnn1@usa.net

Received: 5 December 2000
Revised: 9 April 2001
Published online: 15 September 2001

Abstract

In this work, the multiplet splitting in terms of a spin-dependent model is analyzed. The spin-polarized and unpolarized single configuration Dirac-Fock-Slater wavefunctions have been used in the evaluation of the total energies of highly ionized argon with different L shell population The transition energies of hollow argon atom with initial configurations with m =0 to 2 and n+l varying from 6 to 1 are reported in this work. The calculations have been carried out by taking into account a relativistic exchange potential in the Dirac-Slater potential. To account for the correlation effects, a correction term has also been considered perturbatively. The present calculations show that the spin-polarized technique which is mainly applied to the ground states of atoms may also be applied to atoms ionized in the inner shells with a good degree of accuracy.