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Bifurcations in Boltzmann-Langevin One Body dynamics for fermionic systems

Abstract : We investigate the occurrence of bifurcations in the dynamical trajectories depicting nuclear collisions at Fermi energies. The quantitative description of the reaction dynamics is obtained within a novel one-body transport approach, based on the solution of the Boltzmann-Langevin equation in three dimensions, with a broad applicability for dissipative fermionic dynamics. Dilute systems formed in central collisions are shown to fluctuate between two energetically favourable mechanisms: reverting to a compact shape or rather disintegrating into several fragments. The latter result can be connected to the recent observation of bimodal distributions for quantities characterising fragmentation processes.
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Contributor : Sophie Heurteau Connect in order to contact the contributor
Submitted on : Friday, July 5, 2013 - 2:16:51 PM
Last modification on : Wednesday, October 14, 2020 - 4:01:30 AM

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P. Napolitani, M. Colonna. Bifurcations in Boltzmann-Langevin One Body dynamics for fermionic systems. Physics Letters B, Elsevier, 2013, 726, pp.382-386. ⟨10.1016/j.physletb.2013.08.005⟩. ⟨in2p3-00841685⟩



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