Determining the potential and the gradient coupling of two-state quantum systems in an infinite waveguide

preprint2022arXivOpen access

Abstract

We consider the inverse coefficient problem of simultaneously determining the space dependent electric potential, the zero-th order coupling term and the first order coupling vector of a two-state Schrödinger equation in an infinite cylindrical domain of Rn\mathbb{R}^n, n≥2n \ge 2, from finitely many partial boundary measurements of the solution. We prove that these n+1n+1 unknown scalar coefficients can be Hölder stably retrieved by (n+1)(n+1)-times suitably changing the initial condition attached at the system.

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