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Density-dependence of two-body interactions beyond the mean-field approximation. Part 2: multi-body forces renormalization. (2008).
| Content Provider | CiteSeerX |
|---|---|
| Author | Duguet, T. Bonche, P. |
| Abstract | In the present work, we re-analyze the density-dependence of phenomenological two-body forces for calculations beyond the mean field approximation. The resummation of two-body correlations has been addressed in the first part of this work. We treat here the renormalization of possibly existing multi-body forces within the framework of the Generator Coordinate Method (GCM) and the projected mean-field method. A density dependence of the form ρσ with σ ̸ ∈ N, as used in Skyrme and Gogny forces, is successfully interpreted as renormalizing multi-body forces effects in this context as soon as the mixed density is used. Including the results of the two parts of this work, a theoretically grounded Skyrme interaction for calculations beyond the mean field is proposed. PACS: 21.60.-n; 21.30.-x; 21.60.Jz |
| File Format | |
| Publisher Date | 2008-01-01 |
| Access Restriction | Open |
| Subject Keyword | Mean-field Approximation Two-body Interaction Multi-body Force Renormalization First Part Gogny Force Multi-body Force Skyrme Interaction Mean Field Mean Field Approximation Mean-field Method Multi-body Force Effect Mixed Density Density Dependence Phenomenological Two-body Force Present Work Two-body Correlation Generator Coordinate Method |
| Content Type | Text |
