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Inverse scattering theory for Schrödinger operators with steplike potentials (1510.01835v1)

Published 7 Oct 2015 in math.SP, math-ph, and math.MP

Abstract: We study the direct and inverse scattering problem for the one-dimensional Schr\"odinger equation with steplike potentials. We give necessary and sufficient conditions for the scattering data to correspond to a potential with prescribed smoothness and prescribed decay to their asymptotics. These results are important for solving the Korteweg-de Vries equation via the inverse scattering transform.

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