2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/118225A nonlinear Schrödinger equation with external potential $-(t+b)^{-1}$ is considered and its explicit solutions are constructed.Exactly Solvable and Integrable SystemsOn a new integrable nonlinear Schroedinger equation with a simple external potential and its explicit solutionstext