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Pairing dynamics in low energy nuclear collisions

Snapshots before (t = 0 fm/c, left three) and after (t ≈ 10200 fm/c, right three) of a tip collision of 48Ca+252Cf. The centre of mass energy in this example is 230 MeV

M. C. Barton, S. Jin, P. Magierski, K. Sekizawa, G. Wlazłowski, A. Bulgac


Superfluidity is a generic feature of various quantum systems at low temperatures and it is in particular important for the description of dynamics of low energy nuclear reactions. The time-dependent density functional theory (TDDFT) is, to date, the only microscopic method which takes into account in a consistent way far from equilibrium dynamics of pairing field and single-particle degrees of freedom. The local version of TDDFT, so called TDSLDA, is particularly useful for the description of nuclear reactions and is well suited for leadership class computers of hybrid (CPU+GPU) architecture. The preliminary results obtained for collisions involving both medium-mass and heavy nuclei at the energies around the Coulomb barrier are presented.

Pairing dynamics in low energy nuclear collisions
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