Nonperturbative theory for the dispersion self-energy of atoms
Journal article, Peer reviewed
Published version
Permanent lenke
http://hdl.handle.net/11250/2472803Utgivelsesdato
2014Metadata
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Originalversjon
10.1103/PhysRevA.90.054502Sammendrag
We go beyond the approximate series expansions used in the dispersion theory of finite-size atoms. We demonstrate that a correct, and nonperturbative, theory dramatically alters the dispersion self-energies of atoms. The nonperturbed theory gives as much as 100% corrections compared to the traditional series-expanded theory for the smaller noble gas atoms.