Time-dependent Hartree-Fock simulation of the expansion of abraded nuclei

D. Lacroix 1 Ph. Chomaz 2
1 Physique théorique
GANIL - Grand Accélérateur National d'Ions Lourds
Abstract : A recent interpretation of the caloric curve based on the expansion of the abraded spectator nucleus is reanalyzed in the framework of the time-dependent Hartree-Fock (TDHF) evolution. It is shown that the TDHF dynamics is more complex than a single monopolar collective motion at moderate energy. The inclusion of other important collective degrees of freedom may lead to the dynamical creation of hollow structure. Then, low density regions could be locally reached after a long time by the creation of these exotic density profiles. In particular the systematic of the minimum density reached during the expansion (the so-called turning points) appears to be different.
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D. Lacroix, Ph. Chomaz. Time-dependent Hartree-Fock simulation of the expansion of abraded nuclei. Physical Review C, American Physical Society, 1998, 58, pp.1604-1613. ⟨10.1103/PhysRevC.58.1604⟩. ⟨in2p3-00084022⟩

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