Skyrme Tensor Force in ¹⁶O+¹⁶O Fusion Dynamics

The fusion dynamics of ¹⁶O+¹⁶O around Coulomb barrier has been studied in the timedependent Hartree-Fock (TDHF) theory with the full Skyrme effective interaction. The calculations have been carried out in three-dimensional Cartesian basis without any symmetry restrictions. We have included the full tensor force and all the time-odd terms in Skyrme energy density functional (EDF). The Coulomb barrier obtained from the dynamical TDHF calculations and EDF with frozen density approximation has been compared with the available experimental data. The isoscalar tensor terms and the rearrangement of other terms are found to decrease the barrier height in the spin-saturated system ¹⁶O+¹⁶O, while the energy of Coulomb barrier tends to decrease as the isovector coupling constant decreases. The fusion cross section for ¹⁶O+¹⁶O collision has been calculated with and without the tensor force. We found that the tensor force has minor effect on the fusion dynamics of ¹⁶O+¹⁶O at the energies around Coulomb barrier.