Optimized perturbation theory scheme for calculating the interatomic potentials and hyperfine lines shift for heavy atoms in the buffer inert gas

A new relativistic approach, based on the gauge‐invariant perturbation theory (PT), is applied to calculate the interatomic potentials and hyperfine structure line collision shifts for the alkali and lanthanide atoms in an atmosphere of the inert gases. Data on the interatomic potentials and collisi...

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Bibliographic Details
Published in:International journal of quantum chemistry 2009-11, Vol.109 (14), p.3325-3329, Article 3031
Main Authors: Malinovskaya, S. V., Glushkov, A. V., Khetselius, O. Yu, Svinarenko, A. A., Mischenko, E. V., Florko, T. A.
Format: Article
Language:English
Subjects:
alkali atom
collisional shift
hyperfine structure
inert gas
interatomic potential
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Summary:A new relativistic approach, based on the gauge‐invariant perturbation theory (PT), is applied to calculate the interatomic potentials and hyperfine structure line collision shifts for the alkali and lanthanide atoms in an atmosphere of the inert gases. Data on the interatomic potentials and collision shifts for Rb, Cs, and Yb atoms in an atmosphere of the inert gas He are presented. © 2009 Wiley Periodicals, Inc. Int J Quantum Chem, 2009
ISSN:0020-7608
1097-461X
DOI:10.1002/qua.22352