Volume 20, Number 1, January-March 2014
|Page(s)||23 - 41|
|Published online||29 August 2013|
Controllability of Schrödinger equation with a nonlocal term
Instituto de Ciencias, Universidad Nacional de General Sarmiento,
J.M. Gutiérrez 1150 (1613) Los Polvorines, Buenos Aires,
2 IMAS – CONICET and Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I (1428) Buenos Aires, Argentina
Revised: 18 December 2012
This paper is concerned with the internal distributed control problem for the 1D Schrödinger equation, i ut(x,t) = −uxx+α(x) u+m(u) u, that arises in quantum semiconductor models. Here m(u) is a non local Hartree–type nonlinearity stemming from the coupling with the 1D Poisson equation, and α(x) is a regular function with linear growth at infinity, including constant electric fields. By means of both the Hilbert Uniqueness Method and the contraction mapping theorem it is shown that for initial and target states belonging to a suitable small neighborhood of the origin, and for distributed controls supported outside of a fixed compact interval, the model equation is controllable. Moreover, it is shown that, for distributed controls with compact support, the exact controllability problem is not possible.
Mathematics Subject Classification: 93B05 / 81Q93 / 35Q55
Key words: Nonlinear Schrödinger–Poisson / Hartree potential / constant electric field / internal controllability
© EDP Sciences, SMAI, 2013
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