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Solutions for a generalized Woods–Saxon potential

The s-wave Schrödinger and, to clarify one interesting point encountered in the calculations, Klein–Gordon equations are solved exactly for a single neutron moving in a central Woods–Saxon plus an additional potential that provides the flexibility to construct the surface structure of the related nucleus. The physics behind the solutions and the reliability of the results obtained are discussed carefully with the consideration of other related works in the literature. In addition, the exhaustive analysis of the results reveals the fact that the usual Woods–Saxon potential cannot be solved analytically within the framework of non-relativistic physics, unlike its exactly solvable relativistic consideration.