The effective interaction hyperspherical-harmonics method, formulated for local forces, is generalized to accommodate nonlocal interactions. As for local potentials this formulation retains the separation of the hyperradial part leading solely to a hyperspherical effective interaction. By applying the method to study ground-state properties of (4)He with a modern effective-field-theory nucleon-nucleon potential model (Idaho-N3LO), one finds a substantial acceleration in the convergence rate of the hyperspherical-harmonics series. Also studied are the binding energies of the six-body nuclei (6)He and (6)Li with the JISP16 nuclear force. Again an excellent convergence is observed.
Titolo: | Hyperspherical effective interaction for nonlocal potentials |
Autori: | N., Barnea; Leidemann, Winfried; Orlandini, Giuseppina |
Autori Unitn: | |
Titolo del periodico: | PHYSICAL REVIEW. C, NUCLEAR PHYSICS |
Anno di pubblicazione: | 2010 |
Codice identificativo Scopus: | 2-s2.0-77954078060 |
Codice identificativo ISI: | WOS:000279266900001 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevC.81.064001 |
Handle: | http://hdl.handle.net/11572/86441 |
Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |