Determination of bound-free dissociative couplings via classical fourier coefficients

An approach to compute couplings between bound and unbound wave functions was presented. Only classical Fourier coefficients of the Hamiltonians were used for the analysis.The approach was an extension of the technique used in the action-angle representation to compute bound-state to bound-state couplings. For one-dimensional Hamiltonians, an analogous approach was developed and demonstrated for several coupling potentials. The discussion about the generalization of higher dimensions was also done.