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The decay and collisions of dark solitons in superfluid Fermi gases
2012
New Journal of Physics
We study soliton collisions and the decay of solitons into sound in superfluid Fermi gases across the Bose-Einstein condensate to Bardeen-Cooper-Schrieffer (BEC-BCS) crossover by performing numerical simulations of the time-dependent Bogoliubov-de Gennes equations. This decay process occurs when the solitons are accelerated to the bulk pair-breaking speed by an external potential. A similar decay process may occur when solitons are accelerated by an inelastic collision with another soliton. We
doi:10.1088/1367-2630/14/2/023044
fatcat:m3kdvam2dzbzjac3lygchyss4e