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A unitary group formulation of many-body theory: Diagram systematics and use of the spin shifts

✍ Scribed by Atri Mukhopadhyay; Barry T. Pickup

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 959 KB
Volume: 26
Category: Article
ISSN: 0020-7608
DOI: 10.1002/qua.560260109

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## Abstract The representation of an __N__‐electron Schrödinger Hamiltonian on an orthonormal, spin‐free (freon) orbital product space is exactly modeled by a second‐degree polynomial in the infinitesimal generators of the unitary group. Symmetry adaptation of the orbital product space with respect