2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55481The nature of the interaction of a soliton with an attractive well is elucidated using a model of two interacting point particles. The model explains the existence of trapped states at positive kinetic energy, as well as reflection by an attractive impurity. The transition from a trapped soliton state to a bound state is studied. Bound states of the soliton in a well are also found.Latex sourceHigh Energy Physics - TheoryExactly Solvable and Integrable Systemstext