Exact solution of Schrodinger equation with deformed Ring-Shaped   Potential
  Exact solution of the Schrodinger equation with deformed ring shaped potential is obtained in the parabolic and spherical coordinates. The Nikiforov-Uvarov method is used in the solution. Eigenfunctions and corresponding energy eigenvalues are calculated analytically. The agreement of our results is good. 
Metin Aktas and Ramazan Sever