Ontology type: schema:Chapter
2006-01-01
AUTHORSA.-V. GLUSHKOV , S.-V. AMBROSOV , A.-V. LOBODA , E.-P. GURNITSKAYA , O.-Y. KHETSELIUS
ABSTRACTA highly accurate, ab-initio approach to the relativistic calculation of spectra of multi-electron, super-heavy ions, accounting for correlation, nuclear, radiative, and relativistic effects is developed. The method is based on quantum electrodynamics (QED) perturbation theory (PT). Zeroth approximation is generated by an effective ab-initio model functional constructed on the basis of the comprehensive gauge-invariant procedure. The wave-function zeroth-order basis set is found from the Dirac equation with a potential including the core abinitio potential and the electric and polarization potentials of the nucleus (a Gaussian form is used for the charge distribution in the nucleus). The magnetic interelectronic interaction is included in the lowest (α)2 term, and the Lamb shift polarization effect, in the Uehling-Serber approximation (self-energy part of the Lamb shift), is accounted for within the Ivanov-Ivanova non-perturbative procedure. Results of the calculations are presented for the energy levels, dielectronic satellite wavelengths, hyperfine structure constants, and QED corrections for 1s2n l j- states of Li-like ions. More... »
PAGES285-299
Recent Advances in the Theory of Chemical and Physical Systems
ISBN1-4020-4527-1
http://scigraph.springernature.com/pub.10.1007/1-4020-4528-x_13
DOIhttp://dx.doi.org/10.1007/1-4020-4528-x_13
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