Addendum to An update on the classical and quantum harmonic oscillators on the sphere and the hyperbolic plane in polar coordinates
arXiv:1508.02221 · doi:10.1016/j.physleta.2015.10.037
Abstract
The classical and quantum solutions of a nonlinear model describing harmonic oscillators on the sphere and the hyperbolic plane, derived in polar coordinates in a recent paper [Phys.\ Lett.\ A 379 (2015) 1589], are extended by the inclusion of an isotonic term.
6 pages, no figure; published version