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Nonperturbative theory for the dispersion self-energy of atoms
Royal Institute Technology, Sweden.
Royal Institute Technology, Sweden; University of Oslo, Norway; University of Oslo, Norway.
Norwegian University of Science and Technology, Norway.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-6281-868X
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2014 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 90, no 5, 054502- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
American Physical Society , 2014. Vol. 90, no 5, 054502- p.
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-113058DOI: 10.1103/PhysRevA.90.054502ISI: 000345414100014OAI: diva2:778289

Funding Agencies|Research Council of Norway [221469]; Swedish Reseach Council [C0485101]; European Commission

Available from: 2015-01-09 Created: 2015-01-08 Last updated: 2015-01-14

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