Article Dans Une Revue Proceedings of the American Mathematical Society Année : 2025

Uncertainty principle for solutions of the Schrödinger equation on the Heisenberg group

Résumé

The aim of this paper is two prove two versions of the Dynamical Uncertainty Principle for the Schr\"odinger equation $i\partial_s u=\mathcal{L}u+Vu$, $u(s=0)=u_0$ where $\mathcal{L}$ is the sub-Laplacian on the Heisenberg group. We show two results of this type. For the first one, the potential $V=0$, we establish a dynamical version of Amrein-Berthier-Benedicks's Uncertainty Principle that shows that if $u_0$ and $u_1=u(s=1)$ have both small support then $u=0$. For the second result, we add some potential to the equation and we obtain a dynamical version of the Paley-Wiener Theorem in the spirit of the result of Kenig, Ponce, Vega \cite{KPV}. Both results are obtained by suitably transfering results from the Euclidean setting. We also establish some limitations to Dynamical Uncertainty Principles.

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hal-04957979 , version 1 (20-02-2025)

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  • HAL Id : hal-04957979 , version 1

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Philippe Jaming, Somnath Gosh. Uncertainty principle for solutions of the Schrödinger equation on the Heisenberg group. Proceedings of the American Mathematical Society, 2025, 153, pp.3795-3809. ⟨hal-04957979⟩
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