A comparison between various expressions for effective interactions and operators in nuclei

A comparison between various expressions for effective interactions and operators in nuclei

Different choices of effective interactions and operators are related to each other and to definitions given in the literature. Perturbation expansions are given, and the degree of complexity in evaluating terms of a given order is exhibited. The application of Padé approximants to different choices...

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Veröffentlicht in:Ann. Phys. (N.Y.); (United States) 1976-01, Vol.96 (2), p.139-157
Hauptverfasser: Richert, J, Schucan, T.H, Simbel, M.H, Weidenmüller, H.A
Format: Artikel
Sprache:eng
Schlagworte:
653001 - Nuclear Theory- Nuclear Structure, Moments, Spin, & Models
EIGENFUNCTIONS
EIGENVALUES
FUNCTIONS
HAMILTONIAN FUNCTION
HERMITIAN OPERATORS
MATHEMATICAL OPERATORS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR STRUCTURE
PADE APPROXIMATION
PERTURBATION THEORY
QUANTUM OPERATORS
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Zusammenfassung:Different choices of effective interactions and operators are related to each other and to definitions given in the literature. Perturbation expansions are given, and the degree of complexity in evaluating terms of a given order is exhibited. The application of Padé approximants to different choices of effective interactions and to effective operators is investigated numerically.
ISSN:0003-4916
1096-035X
DOI:10.1016/0003-4916(76)90188-3