Traveling waves for a nonlinear Schrödinger system with quadratic interaction

Fuente: arXiv
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Main Authors: Fukaya, Noriyoshi, Hayashi, Masayuki, Inui, Takahisa
Format: Preprint
Published: 2022
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author Fukaya, Noriyoshi
Hayashi, Masayuki
Inui, Takahisa
author_facet Fukaya, Noriyoshi
Hayashi, Masayuki
Inui, Takahisa
contents We study traveling wave solutions for a nonlinear Schrödinger system with quadratic interaction. For the non mass resonance case, the system has no Galilean symmetry, which is of particular interest in this paper. We construct traveling wave solutions by variational methods and see that for the non mass resonance case there exist specific traveling wave solutions which correspond to the solutions for ``zero mass" case in nonlinear elliptic equations. We also establish the new global existence result for oscillating data as an application. Both of our results essentially come from the lack of Galilean invariance in the system.
format Preprint
id arxiv_https___arxiv_org_abs_2209_05305
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Traveling waves for a nonlinear Schrödinger system with quadratic interaction
Fukaya, Noriyoshi
Hayashi, Masayuki
Inui, Takahisa
Analysis of PDEs
We study traveling wave solutions for a nonlinear Schrödinger system with quadratic interaction. For the non mass resonance case, the system has no Galilean symmetry, which is of particular interest in this paper. We construct traveling wave solutions by variational methods and see that for the non mass resonance case there exist specific traveling wave solutions which correspond to the solutions for ``zero mass" case in nonlinear elliptic equations. We also establish the new global existence result for oscillating data as an application. Both of our results essentially come from the lack of Galilean invariance in the system.
title Traveling waves for a nonlinear Schrödinger system with quadratic interaction
topic Analysis of PDEs
url https://arxiv.org/abs/2209.05305