Spin-Excitation Mechanisms in Skyrme-Force Time-Dependent Hartree-Fock

Details Spin-Excitation Mechanisms in Skyrme-Force Time-Dependent Hartree-Fock Spin-Excitation Mechanisms in Skyrme-Force Time-Dependent Hartree-Fock

2006-04-26

arxiv.org/abs/nucl-th/0604070v1

Phys.Rev. C74 (2006) 027601

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevC.74.027601

We investigate the role of odd-odd (with respect to time inversion) couplings in the Skyrme force on collisions of light nuclei, employing a fully three-dimensional numerical treatment without any symmetry restrictions and with modern Skyrme functionals. We demonstrate the necessity of these couplings to suppress spurious spin excitations owing to the spin-orbit force in free translational motion of a nucleus but show that in a collision situation there is a strong spin excitation even in spin-saturated systems which persists in the departing fragments. The energy loss is considerably increased by the odd-odd terms.

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