Wyniki wyszukiwania dla: quasirelativistic

• Quasirelativistic potential energy curves and transition dipole moments of NaRb

  Publikacja

  • M. Wiatr
  • P. Jasik
  • T. Kilich
  • J. E. Sienkiewicz
  • H. Stoll

  - CHEMICAL PHYSICS - Rok 2018

  We report on extensive calculations of quasi-relativistic potential energy curves and, for the first time, transition dipole moments including spin-orbit and scalar-relativistic effects of the NaRb molecule. The calculated curves of the 0+, 0-, 1, 2 and 3 molecular states correlate for large internuclear separation with the fourteen lowest atomic energies up to the Na(3s ^2S_{1/2}) + Rb(7s ^2S_{1/2}) atomic limit. Several new features...

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• Static electric multipole susceptibilities of the relativistic hydrogenlike atom in the ground state: Application of the Sturmian expansion of the generalized Dirac-Coulomb Green function

  Publikacja

  • R. Szmytkowski
  • G. Łukasik

  - PHYSICAL REVIEW A - Rok 2016

  The ground state of the Dirac one-electron atom, placed in a weak, static electric field of definite $2^{L}$ polarity, is studied within the framework of the first-order perturbation theory. The Sturmian expansion of the generalized Dirac-Coulomb Green function [R. Szmytkowski, J. Phys. B: At. Mol. Opt. Phys. 30, 825 (1997); erratum R. Szmytkowski, J. Phys. B: At. Mol. Opt. Phys. 30, 2747 (1997)] is used to derive closed-form analytical...

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