Autoionization and Electronic Correlation in Atoms

15 August 1973

journal article
Published by Canadian Science Publishing in Canadian Journal of Physics

Vol. 51 (16) , 1701-1704
https://doi.org/10.1139/p73-225

Abstract

By considering the particular case of the 2s²¹S state of helium, it is shown that in the Hartree–Fock approximation autoionizing states of atoms have square-integrable wave functions and are, therefore, bound states. It follows that autoionization is a correlation effect. The autoionizing states must have non-square-integrable wave functions. The origin of the breakdown of the square integrability is studied with the help of a spectral analysis of the first-order wave function.

Keywords

FIRST ORDER
ELECTRON CORRELATION
BOUND STATES
HARTREE FOCK
ENERGY LEVELS

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