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All-order relativistic many-body theory of low-energy electron-atom scattering

Cheng, Yong Jun, Tang, Li-Yan, Mitroy, Jim and Safronova, Marianna (2014). All-order relativistic many-body theory of low-energy electron-atom scattering. Physical Review A: Atomic, Molecular and Optical Physics,89(1 - Article No. 012701):1-10.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 1 times in Scopus Article | Citations

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IRMA ID 82794376xPUB285
Title All-order relativistic many-body theory of low-energy electron-atom scattering
Author Cheng, Yong Jun
Tang, Li-Yan
Mitroy, Jim
Safronova, Marianna
Journal Name Physical Review A: Atomic, Molecular and Optical Physics
Publication Date 2014
Volume Number 89
Issue Number 1 - Article No. 012701
ISSN 1050-2947   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-84892542707
Start Page 1
End Page 10
Total Pages 10
Place of Publication United States
Publisher American Physical Society
HERDC Category C1 - Journal Article (DIISR)
Abstract A generalization of the box-variational method is developed to describe particle scattering with the Dirac equation. The method is applied to extract phase shifts from all-order single + double relativistic many-body perturbation theory calculations of the electron-helium, electron-neon, and electron-krypton systems. Comparisons with experimental elastic and momentum transfer cross sections are made. Agreement at the 1% to 2% level is achieved for helium and neon. The scattering length for krypton is 4% smaller in magnitude than experimental estimates derived from swarm experiments.
DOI http://dx.doi.org/10.1103/PhysRevA.89.012701   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Wed, 19 Aug 2015, 12:00:05 CST