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The dynamics of the Schrödinger flow from the point of view of semiclassical measures (1102.0970v2)

Published 4 Feb 2011 in math.AP, math-ph, math.MP, and math.SP

Abstract: On a compact Riemannian manifold, we study the various dynamical properties of the Schr\"odinger flow $(e{it\Delta/2})$, through the notion of semiclassical measures and the quantum-classical correspondence between the Schr\"odinger equation and the geodesic flow. More precisely, we are interested in its high-frequency behavior, as well as its regularizing and unique continuation-type properties. We survey a variety of results illustrating the difference between positive, negative and vanishing curvature.

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