Asymptotic Stability of Solitary Waves for One Dimensional Nonlinear Schrödinger Equations

2023/06/06 by Collot, Charles, Germain, Pierre · 3 citations
#35B40 #35Q55 #43A32 #74J35 #Analysis of PDEs (math.AP) #FOS: Mathematics

paper · doi:10.48550/arxiv.2306.03668

Abstract

We show global asymptotic stability of solitary waves of the nonlinear Schrödinger equation in space dimension 1. Furthermore, the radiation is shown to exhibit long range scattering if the nonlinearity is cubic at the origin, or standard scattering if it is higher order. We handle a general nonlinearity without any vanishing condition, requiring that the linearized operator around the solitary wave has neither nonzero eigenvalues, nor threshold resonances. Initial data are chosen in a neighborhood of the solitary waves in the natural space H¹ ∩ L^2,1 (where the latter is the weighted L² space). The proof relies on the analysis of resonances as seen through the distorted Fourier transform, combined for the first time with modulation and renormalization techniques.

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