2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/172278The analytic expression of the momentum representation in terms of the associated Legendre function is determined by a direct integration of Fourier transform of the wave function of coordinates using the Levi-Civita transformation and the generating function method. A new generating function for the associated Legendre functions are obtained.Mathematical PhysicsQuantum PhysicsThe two-dimensional hydrogen atom in The momentum representationtext