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A spin-dependent unitary group approach to many-electron systems

✍ Scribed by M. D. Gould; G. S. Chandler

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
581 KB
Volume
26
Category
Article
ISSN
0020-7608

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A simple procedure is presented for obtaining the standard Young tableaux for the representation [( N/2) + S, (N/2) -S ] of the permutation group -U-., for an N-electron system in spin state S directly from the spin branching diagram. We redefine the coordinate axes of the branching diagram to obtai

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## Abstract The representation of an __N__‐electron SchrΓΆdinger 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