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- W2003238832 abstract "Goscinski's definition of Sturmian basis sets is generalized and applied to many–electron systems. It is shown that when such basis sets are used, the kinetic energy term disappears from the secular equation, the nuclear attraction potential is already in diagonal form in the secular equation, the orbital exponents are automatically optimized, and good accuracy, including correlation effects, can be obtained directly with very few basis functions and without the use of the self–consistent field approximation. As an illustration, the method is applied to the ground states and excited states of atoms and ions." @default.
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- W2003238832 date "1998-01-01" @default.
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- W2003238832 title "Many–electron sturmians applied to atoms and ions" @default.
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- W2003238832 doi "https://doi.org/10.1016/s0166-1280(98)00343-1" @default.
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