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Instability of standing waves for a class of inhomogeneous Schrödinger equations with harmonic potential
Ricerche di Matematica ( IF 1.1 ) Pub Date : 2020-07-01 , DOI: 10.1007/s11587-020-00528-2 T. Saanouni
中文翻译:
一类具有谐波势的不均匀Schrödinger方程的驻波不稳定性
更新日期:2020-07-24
Ricerche di Matematica ( IF 1.1 ) Pub Date : 2020-07-01 , DOI: 10.1007/s11587-020-00528-2 T. Saanouni
This notes studies the inhomogeneous non-linear Schrödinger equations with a harmonic potential
$$\begin{aligned} i\partial _tu +\Delta u-|x|^2u+|x|^{b}|u|^{p-1}u=0. \end{aligned}$$Indeed, following the methods of Fukuizumi and Ohta (Differ Integral Equ 16(6):691–706, 2003), Ohta (Funccialaj Ekvacioj 61:135–143, 2018), the non-linear and strong instability of standing waves are obtained in the two different regimes \(b>0\) and \(b<0\).
中文翻译:
一类具有谐波势的不均匀Schrödinger方程的驻波不稳定性
本笔记研究具有谐波电位的非齐次非线性Schrödinger方程
$$ \ begin {aligned} i \ partial _tu + \ Delta u- | x | ^ 2u + | x | ^ {b} | u | ^ {p-1} u = 0。\ end {aligned} $$确实,按照Fukuizumi和Ohta(Differ Integral Equ 16(6):691-706,2003),Ohta(Funccialaj Ekvacioj 61:135-143,2018)的方法,获得了非线性和强驻波不稳定性在两个不同的状态\(b> 0 \)和\(b <0 \)中。