THEORETICAL STUDYING RYDBERG STATES SPECTRUM OF THE URANIUM ATOM ON THE BASIS OF RELATIVISTIC MANY-BODY PERTURBATION THEORY
DOI:
https://doi.org/10.18524/0235-2435.2019.28.194312Ключові слова:
Relativistic perturbation theory, optimized zeroth approximation, heavy atom, Rydberg statesАнотація
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.Посилання
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