2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/92817A simple one dimensional model is introduced describing a two particle "atom" approaching a point at which the interaction between the particles is lost. The wave function is obtained analytically and analyzed to display the entangled nature of the subsequent state.9 pagesQuantum PhysicsSolvable Quantum Two-Body Problem:Entanglementtext