Abstract

The generalized Sturmian approach to quantum mechanical many‐body problems is described. The method allows correlated solutions to the many‐particle Schrodinger equation to be obtained directly, without the use of the self‐consistent‐field approximation. As an illustrative example, spectra and polarizabilities are calculated for atoms and ions in the 2‐electron and 3‐electron isoelectronic series under the influence of very strong external electric fields.

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