Threshold for the existence of scattering states for nonlinear Schr\'odinger equations without gauge invariance

Bibliographic Details
Title: Threshold for the existence of scattering states for nonlinear Schr\'odinger equations without gauge invariance
Authors: Miyazaki, Hayato, Sobajima, Motohiro
Publication Year: 2025
Collection: Mathematics
Subject Terms: Mathematics - Analysis of PDEs, 35Q55, 35P25
More Details: This paper is concerned with a threshold phenomenon for the existence of scattering states for nonlinear Schr\"odinger equations. The nonlinearity includes a non-oscillatory term of the order lower than the Strauss exponent. We show that no scattering states exist for the equation in a weighted Sobolev space. It is emphasized that our method admits initial data with good properties, such as compactly supported smooth functions. The result indicates that the Strauss exponent acts as a threshold for the power of the nonlinearity that determines whether solutions scatter or not in the weighted space.
Comment: 10 pages
Document Type: Working Paper
Access URL: http://arxiv.org/abs/2503.07983
Accession Number: edsarx.2503.07983
Database: arXiv
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