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Variational calculation of the positron-helium bound state

โœ Scribed by A.H. Moussa; H.M.A. Radi


Publisher
Elsevier Science
Year
1973
Weight
469 KB
Volume
69
Category
Article
ISSN
0031-8914

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A comparison is presented for the ground state of the helium atom of high order Rayleigh-Schri)dinger perturbation theories based upon a hydrogenic. a screened hydrogenic, a Hartree and a modified Hartree local zero-order hamiltonian. The hydrogenic zero-order schemes are superior tc the Hartree zer