Quantum vortices in systems obeying a generalized exclusion principle - art. no. 026106

The paper deals with a planar particle system obeying a generalized exclusi on principle (EP) and governed, in the mean field approximation, by a nonli near Schrodinger equation. We show that the EP involves a mathematically si mple and physically transparent mechanism, which allows the genesis of quan tum vortices in the system. We obtain in a closed form the shape of the vor tices and investigate its main physical properties.