Dipole transition-matrix elements of the one-electron heterodiatomic quasimolecules

A. Devdariani, T. M. Kereselidze, I. L. Noselidze, E. Dalimier, P. Sauvan, P. Angelo, R. Schott

Research outputpeer-review

8 Citations (Scopus)

Abstract

The problem of dipole transition-matrix element calculation for optical transitions in multiply charged one-electron diatomic quasimolecules with unequal nuclear charges Z1 and Z2 has been stated and solved. The quasimolecule Z1 e Z2 is a unique example of a two-center system for which the energy terms and dipole transition moments have been calculated precisely in the frame of a nonrelativistic approach. Particular examples for the optical transitions with Z1 =1.5,2,2.5,3 and Z2 =1 and with the principal quantum number of the united ion nu =1,2,3,4 have been tabulated. The scaling rules make it possible to determine the matrix elements for quasimolecules having nuclear charge ratios such as 2:1, 3:1, 3:2, and 5:2. Zeros at intermediate R and zero limiting values at large R are the highlighted features of the matrix elements. The heteronucleus case generates a large number of asymptotically forbidden transitions corresponding to transitions of an electron from one ion to another.

Original languageEnglish
Article number022512
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume71
Issue number2
DOIs
Publication statusPublished - 1 Feb 2005

Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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