2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51188We calculate the Green function for the Dirac equation describing a spin 1/2 particle in the presence of a potential which is a sum of the Coulomb potential V_C=-A_1/r and a Lorentz scalar potential V_S=-A_2/r. The bound state spectrum is obtained.10 pages,no figuresHigh Energy Physics - Theorytext