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arXiv 0905.2438math-phmath.APmath.MP
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高Sobolev范数下薛定谔方程的全局逼近能控性及其应用

Global approximate controllability for Schrödinger equation in higher Sobolev norms and applications

Vahagn Nersesyan

摘要:

证明了薛定谔方程在Sobolev空间$H^s$,$s>0$中关于位势是近似可控的.我们给出了这个结果的两个应用。首先,在一维空间的情形下,将我们的结果与局部精确能控性相结合,得到了系统在高阶Sobolev空间中的全局精确能控性。证明了具有随机含时振幅势的薛定谔方程在$L^2 $中的单位球$S$上至多存在一个定态测度.

英文摘要:

We prove that the Schrödinger equation is approximately controllable in Sobolev spaces $H^s$, $s>0$ generically with respect to the potential. We give two applications of this result. First, in the case of one space dimension, combining our result with a local exact controllability property, we get the global exact controllability of the system in higher Sobolev spaces. Then we prove that the Schrödinger equation with a potential which has a random time-dependent amplitude admits at most one stationary measure on the unit sphere $S$ in $L^2 $.

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