Position-dependent mass models and their nonlinear characterization
Abstract
Description
We consider the specific models of Zhu-Kroemer and BenDaniel-Duke in a sech$^{2}$-mass background and point out interesting correspondences with the stationary 1-soliton and 2-soliton solutions of the KdV equation in a supersymmetric framework.
8 Pages, Latex version, Two new references are added, To appear in J.Phys.A (Fast Track Communication)
8 Pages, Latex version, Two new references are added, To appear in J.Phys.A (Fast Track Communication)