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We report a droplet to a soliton crossover by tuning the external confinementpotential in a dilute Bose-Eienstein condensate by numerically solving themodified Gross-Pitaevskii equation. The testimony of such a crossover ispresented via studying the fractional density of the condensate which smoothlymigrates from being a flat-head curve at weak confinement to a bright solitonat strong confinement. Such a transition occurs across a region of thepotential whose strength varies over an order of magnitude and thus should befit to be termed as a crossover. We supplement our studies via exploring thesize of the bound pairs and the ramifications of the particle density therein.Eventually, all of these aid us in arriving at a phase diagram in a spacedefined by the trap strength and the particle number that shows the formationof two phases consisting of droplets and solitons, along with a regime ofcoexistence of these two.

Dropleton-Soliton Crossover mediated via Trap Modulation