• V. B, Ternovsky Одеський національний університет імені І. І. Мечникова


Ключові слова:

Relativistic perturbation theory, optimized zeroth approximation, heavy atom, Rydberg states


Theoretical studying spectrum of the Rydberg states for the uranium atom is carried out within the relativistic many-body perturbation theory with ab initio zeroth approximation and generalized relativistic energy approach.  The zeroth approximation of the relativistic perturbation theory is provided by the optimized Dirac-Kohn-Sham ones. Optimization has been fulfilled by means of introduction of the parameter to the Kohn-Sham exchange potentials and further minimization of the gauge-non-invariant contributions into radiation width of atomic levels with using relativistic orbital set, generated by the corresponding zeroth approximation Hamiltonian.


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