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arxiv: 1112.4452 · v2 · pith:QDH26XO4new · submitted 2011-12-19 · 🧮 math.AP

Interaction Morawetz estimate for the magnetic Schr\"odinger equation and applications

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keywords equationmagneticodingerschrestimateinteractionmorawetzalmost
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We establish an interaction Morawetz estimate for the magnetic Schr\"odinger equation for $n\geq 3$ under certain smallness conditions on the gauge potentials, but with almost optimal decay. As an application, we prove global wellposedness and scattering in $H^1$ for the cubic defocusing magnetic Schr\"odinger equation for $n = 3.$

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