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A new proof of scattering below the ground state for the non-radial focusing NLS
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🧮 math.AP
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scatteringbelowfocusinggroundnon-radialproofstateavoids
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We revisit the scattering result of Duyckaerts, Holmer, and Roudenko for the non-radial $\dot H^{1/2}$-critical focusing NLS. By proving an interaction Morawetz inequality, we give a simple proof of scattering below the ground state in dimensions $d\geq 3$ that avoids the use of concentration compactness.
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