The accurate calculation of wave functions

One of the most complex subjects in physics is the exact description of the interactions between three or more bodies (many-body problem). This is true both for systems of large dimensions, like planetary sistems studied in astrophysics, and for systems of electrons in atoms and molecules.

Interest in this field is not merely academic: the results obtained from accurate calculations on small systems are needed to calibrate the approximate methodologies used in solving more complex problems.

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Bibliography:

• E. Clementi, G. Corongiu, G. Murgia, G. Paddeu, L. Paglieri, L. Pisani, "Indipendent Electron Models: Hartree-Fock and Dirac-Fock for Many-Electron Atoms" , , in METECC-94, Methods and Techniques in Computational Chemistry", vol. A, E. Clementi ed., STEF, Cagliari (1993).