We give a simple and general description of the bound-state structure of a one-dimensional finite superlattice as a function of its perioddand some quantities characterizing the single unit cell.

Sassoli de Bianchi, M. and Di Ventra, M. (1996). How many bound-states does a one-dimensional finite superlattice have? Superlattices and Microstructures 20, pp. 149-153. Doi: 10.1006/spmi.1996.0061.