JOURNAL OF MATHEMATICAL CHEMISTRY, cilt.41, sa.4, ss.329-341, 2007 (SCI İndekslerine Giren Dergi)
An alternative approximation scheme has been used in solving the Schrodinger equation for the exponential-cosine-screened Coulomb potential. The bound state energies for various eigenstates and the corresponding wave functions are obtained analytically up to the second perturbation term.