The geometrical proof for the asymptotic completeness of the wave operators and the absence of a singular continuous spectrum of the Hamiltonian is extended to cover singular potentials where the Hamiltonian is defined as a form sum, and long-range interactions like Coulomb forces. © 1979.
Enss, V. (1979). Asymptotic completeness for quantum-mechanical potential scattering. II. Singular and long-range potentials. Annals of Physics, 119(1), 117–132. https://doi.org/10.1016/0003-4916(79)90252-5