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Communication Dans Un Congrès Année : 2015

Collectivity in small and large amplitude microscopic mean-field dynamic

D. Lacroix
G. Scamps
  • Fonction : Auteur

Résumé

The time-dependent energy density functional with pairing allows to describe a large variety of phenomena from small to large amplitude collective motion. Here, we briefly summarize the recent progresses made in the field using the TD-BCS approach. A focus is made on the mapping of the microscopic mean-field dynamic to the macroscopic dynamic in collective space. A method is developed to extract the collective mass parameter from TD-EDF. Illustration is made on the fission of $^{258}$Fm. The collective mass and collective momentum associated to quadrupole deformation including non-adiabatic effects is estimated along the TD-EDF path. With these information, the onset of dissipation during fission is discussed.

Dates et versions

in2p3-01234624 , version 1 (27-11-2015)

Identifiants

Citer

D. Lacroix, Y. Tanimura, G. Scamps. Collectivity in small and large amplitude microscopic mean-field dynamic. 22nd Nuclear Physics Workshop 'Marie & Pierre Curie' on Essential Problems in Nuclear Physics, Sep 2015, Kazimierz Dolny, Poland. pp.605, ⟨10.5506/APhysPolBSupp.8.605⟩. ⟨in2p3-01234624⟩
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