This is a preview. Log in through your library . Abstract This communication deals with the general theory of obtaining numerical electronic wave functions for the stationary states of atoms and ...

Prolate spheroidal wave functions (PSWFs) and their discrete counterparts – the discrete prolate spheroidal sequences (DPSSs) – have emerged as essential tools in the analysis of band ...

In the general case the quadratic forms Qk determine many-electron functions formed from correlated electron orbitals of ellipsoidal symmetry and with variable centres. The results are easily extended ...

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