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First order of the hyperspherical harmonic expansion method

Journal Article · · Ann. Phys. (N.Y.); (United States)

The hyperspherical harmonic expansion method is studied in this work. Our attention is focused on the properties of the L/sub m/-approximation in which only the hyperspherical harmonics of minimal order are taken into account. Exact solutions of the Schroedinger equation for a few simple hyperspherical potentials are given. Recipes for constructing antisymmetric hyperspherical harmonics for fermions are investigated, and various procedures to derive the effective potential in the L/sub m/-approximation are discussed. The method is applied to the calculation of ground state and hyperradial excited states (which are identified as the breathing modes) of doubly-magic nuclei. Finally, the energy per particle is derived in the L/sub m/-approximation with Skyrme like forces for an infinitely heavy self-conjugate nucleus.

Research Organization:
Division de Physique Theorique, Institut de Physique Nucleaire, 91406 Orsay-Cedex, France
OSTI ID:
5611640
Journal Information:
Ann. Phys. (N.Y.); (United States), Journal Name: Ann. Phys. (N.Y.); (United States) Vol. 123:1; ISSN APNYA
Country of Publication:
United States
Language:
English