More than 40 years ago, experimenters succeeded in coaxing electrons and positrons into a short-lived coexistence as positronium, a hydrogenlike atom
with a positron replacing the proton.
2055-2068] we obtain some new recurrence relations for the radial wave functions of the N-th dimensional isotropic harmonic oscillators as well as the hydrogenlike atoms.
There are many applications in modern physics that require the knowledge of the wave functions of hydrogenlike atoms and isotropic harmonic oscillators (see e.
In this paper we will continue the research started in  for obtaining recurrence relations and ladder-type operators for the N-th dimensional isotropic harmonic oscillators and the hydrogenlike atoms.
The structure of the paper is as follows: In sections 2 and 3 the isotropic oscillator and hydrogenlike atoms radial wave functions are introduced.
ALVAREZ-NODARSE, Recurrence relations for radial wave functions for the N-th dimensional oscillators and hydrogenlike atoms, J.