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Variational method for calculating the double photoionization of a helium atom

Journal Article · · Opt. Spectrosc. (USSR) (Engl. Transl.); (United States)
OSTI ID:5789643
;
A variational method is proposed for calculating the double photoionization of a helium atom. The principle is employed to calculate double photoionization from the ground state in the threshold region of incident photon energies, from 80 eV to 105 eV. The results of the present paper agree well with calculations previously made on the basis of the Coulomb Green's function.
OSTI ID:
5789643
Journal Information:
Opt. Spectrosc. (USSR) (Engl. Transl.); (United States), Journal Name: Opt. Spectrosc. (USSR) (Engl. Transl.); (United States) Vol. 47:1; ISSN OPSUA
Country of Publication:
United States
Language:
English

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Related Subjects

640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
EV RANGE
EV RANGE 10-100
EV RANGE 100-1000
FLUIDS
FUNCTIONS
GREEN FUNCTION
GROUND STATES
HELIUM
IONIZATION
NONMETALS
PHOTOIONIZATION
RARE GASES
VARIATIONAL METHODS