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Digitale Medien

Method of recurrent construction of Löuwdin spin-adapted wave functions. II. Local representation of creation-annihilation operators (1982)

Panin, A. I.

New York, NY : Wiley-Blackwell

International Journal of Quantum Chemistry 22 (1982), S. 1177-1188

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Details

ISSN: 0020-7608

Schlagwort(e): Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Some compositions of the addition and subtraction operators and recurrence relations for the Sanibel-type coefficients cu, v (n, s, M) generated by these compositions are studied. A local representation of the fermion creation-annihilation operators via the addition and subtraction operators is obtained. Operators of single excitations, coupling, and decoupling operators, in terms of which the unitary group generators can be expressed are defined. The resulting representation of the nonelementary unitary group generators is much more simple than in the Gelfand-Tzetlin basis and in the most general case contains only six logically different terms, each of them possessing quite transparent physical significance.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/qua.560220604

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