Mean field theories and exotic nuclei

Karim Bennaceur; Paul Bonche; Jacques Meyer

doi:10.1016/S1631-0705(03)00060-4

Exotic nuclei/Les noyaux exotiques

Mean field theories and exotic nuclei
[Théories de champ moyen et noyaux exotiques]

Présenté par : Guy Laval

Karim Bennaceur ¹ ; Paul Bonche ² ; Jacques Meyer ¹

¹ Institut de physique nucléaire de Lyon, CNRS-IN2P3/Université Claude Bernard Lyon 1, bâtiment Paul Dirac, 43, Bd. 11.11.18, 69622 Villeurbanne cedex, France
² Service de physique théorique, CEA Saclay, 91191 Gif-sur-Yvette cedex, France

Comptes Rendus. Physique, Volume 4 (2003) no. 4-5, pp. 555-570.

Résumé
Abstract

Après une présentation générale des théories de champ moyen, on s'attache plus spécifiquement à l'étude de quelques applications originales dans le domaine des noyaux exotiques. Les principales hypothèses de ces modèles sont discutées vis-à-vis des conditions extrêmes de ce nouveau champ d'application. Quelques perspectives sont suggérées ouvrant la voie de développements théoriques futurs indispensables à ce domaine de noyaux très loin de la stabilité.

A general description of mean field theories is made in view of their use for the description of static and dynamical properties of exotic nuclei. Some pertinent examples of new physics appearing far from stability are presented such as quenching of shell effects around the neutron drip line as well as the effect of the continuum in Hartree–Fock–Bogoliubov formalism when the Fermi energy goes to zero. We also focus on the effective forces adjusted to investigate nuclear medium in these particular extreme conditions. Some perspectives of new theoretical developments are suggested in order to guarantee the reliability of future predictions in this new field of physics.

Publié le : 2003-05-01

DOI : 10.1016/S1631-0705(03)00060-4

Keywords: Mean field, Hartree–Fock, Hartree–Fock–Bogoliubov, Generator coordinate method
Mot clés : Champ moyen, Hartree–Fock, Hartree–Fock–Bogoliubov, Coordonnée génératrice

Affiliations des auteurs :

Karim Bennaceur ¹ ; Paul Bonche ² ; Jacques Meyer ¹

¹ Institut de physique nucléaire de Lyon, CNRS-IN2P3/Université Claude Bernard Lyon 1, bâtiment Paul Dirac, 43, Bd. 11.11.18, 69622 Villeurbanne cedex, France
² Service de physique théorique, CEA Saclay, 91191 Gif-sur-Yvette cedex, France

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Karim Bennaceur; Paul Bonche; Jacques Meyer. Mean field theories and exotic nuclei. Comptes Rendus. Physique, Volume 4 (2003) no. 4-5, pp. 555-570. doi : 10.1016/S1631-0705(03)00060-4. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(03)00060-4/

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