Engineering dark solitary waves in ring-trap Bose–Einstein condensates
Engineering dark solitary waves in ring-trap Bose–Einstein condensates
We demonstrate the feasibility of generation of quasi-stable counter-propagating solitonic structures in an atomic Bose–Einstein condensate confined in a realistic toroidal geometry, and identify optimal parameter regimes for their experimental observation. Using density engineering we numerically identify distinct regimes of motion of the emerging macroscopic excitations, including both solitonic motion …