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Related papers: Scattering for the $L^2$ supercritical point NLS

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We show the $H^{1}$ scattering for a one dimensional nonlinear Schr\"odinger equation with a non-negative, repulsive potential $V$ such that $V,xV\in W^{1,1}$, and a mass-supercritical non-linearity. We follow the approach of…

Analysis of PDEs · Mathematics 2016-10-31 David Lafontaine

In this paper, we investigate the global well-posedness and $H^{1}$ scattering theory for a 3d energy-critical Schr\"odinger equation under the influence of magnetic dipole interaction $\lambda_{1}|u|^{2}u+\lambda_{2}(K\ast|u|^{2})u$, where…

Analysis of PDEs · Mathematics 2020-11-02 Alex H. Ardila

We present a numerical study of a derivative nonlinear Schr\"odinger equation with a general power nonlinearity, $|\psi|^{2\sigma}\psi_x$. In the $L^2$-supercritical regime, $\sigma>1$, our simulations indicate that there is a finite time…

Analysis of PDEs · Mathematics 2013-01-08 Xiao Liu , Gideon Simpson , Catherine Sulem

We consider the focusing inhomogeneous biharmonic nonlinear Schr\"odinger equation in $H^2(\mathbb{R}^N)$, \begin{equation} iu_t + \Delta^2 u - |x|^{-b}|u|^{\alpha}u=0 \end{equation} when $b > 0$ and $N \geq 5$. We first obtain a small data…

Analysis of PDEs · Mathematics 2021-07-27 Luccas Campos , Carlos M. Guzmán

In this article, we will show the global wellposedness and scattering of the cubic defocusing nonlinear Schr\"odinger equation on waveguide $\mathbb{R}^2\times \mathbb{T}$ in $H^1$. We first establish the linear profile decomposition in…

Analysis of PDEs · Mathematics 2017-05-03 Xing Cheng , Zihua Guo , Kailong Yang , Lifeng Zhao

In this paper, we investigate the global well-posedness and scattering theory for the defocusing nonlinear Schr\"odinger equation $iu_t + \Delta_\Omega u = |u|^\alpha u$ in the exterior domain $\Omega$ of a smooth, compact and strictly…

Analysis of PDEs · Mathematics 2025-01-20 Xuan Liu , Yilin Song , Jiqiang Zheng

In this article, we consider the infinite dimensional vector-valued resonant nonlinear Schr\"odinger system, which arises from the study of the asymptotic behavior of the defocusing nonlinear Schr\"{o}dinger equation on "wave guide"…

Analysis of PDEs · Mathematics 2017-05-01 Kailong Yang , Lifeng Zhao

We consider the Schr\"odinger equation in dimension two with a fixed, pointwise, focusing nonlinearity and show the occurrence of a blow-up phenomenon with two peculiar features: first, the energy threshold under which all solutions blow up…

Analysis of PDEs · Mathematics 2020-04-20 Riccardo Adami , Raffaele Carlone , Michele Correggi , Lorenzo Tentarelli

We consider a class of $L^2$-supercritical inhomogeneous nonlinear Schr\"odinger equations with potential in three dimensions \[ i\partial_t u + \Delta u - V u = \pm |x|^{-b} |u|^\alpha u, \quad (t,x) \in \mathbb{R} \times \mathbb{R}^3, \]…

Analysis of PDEs · Mathematics 2020-07-22 Van Duong Dinh

We consider the focusing mass supercritical nonlinear Schr\"odinger equation with rotation \begin{equation*} iu_{t}=-\frac{1}{2}\Delta u+\frac{1}{2}V(x)u-|u|^{p-1}u+L_{\Omega}u,\quad (x,t)\in \mathbb{R}^{N}\times\mathbb{R}, \end{equation*}…

Analysis of PDEs · Mathematics 2021-02-22 Alex H. Ardila , Hichem Hajaiej

We study a system of inhomogeneous nonlinear Schr\"odinger equations that emerge in optical media with a $\chi^{(2)}$ nonlinearity. This nonlinearity, whose local strength is subject to a cusp-shaped spatial modulation, $\chi^{(2)}\sim…

Analysis of PDEs · Mathematics 2024-05-28 Van Duong Dinh , Amin Esfahani

In this paper we consider the inhomogeneous nonlinear Schr\"odinger equation $i\partial_t u +\Delta u=K(x)|u|^\alpha u,\, u(0)=u_0\in H^s({\mathbb R}^N),\, s=0,\,1,$ $N\geq 1,$ $|K(x)|+|x|^s|\nabla^sK(x)|\lesssim |x|^{-b},$…

Analysis of PDEs · Mathematics 2021-08-06 Lassaad Aloui , Slim Tayachi

This note studies the asymptotic behavior of global solutions to the fourth-order Schr\"odinger equation $$i\dot u+\Delta^2 u+F(x,u)=0 .$$ Indeed, for both cases, local and non-local source term, the scattering is obtained in the focusing…

Analysis of PDEs · Mathematics 2020-10-27 Tarek Saanouni

We consider odd solutions to the Schr\"{o}dinger equation with the $L^2$-supercritical power type nonlinearity in one dimensional Euclidean space. It is known that the odd solution scatters or blows up if its action is less than twice as…

Analysis of PDEs · Mathematics 2022-03-10 Stephen Gustafson , Takahisa Inui

We consider the nonlinear Schrodinger equation, with mass-critical nonlinearity, focusing or defocusing. For any given angle, we establish the existence of infinitely many functions on which the scattering operator acts as a rotation of…

Analysis of PDEs · Mathematics 2009-02-12 Rémi Carles

We investigate existence and asymptotic completeness of the wave operators for nonlinear Klein-Gordon and Schr\"odinger equations with a defocusing exponential nonlinearity in two space dimensions. A certain threshold is defined based on…

Analysis of PDEs · Mathematics 2019-12-19 Slim Ibrahim , Mohamed Majdoub , Nader Masmoudi , Kenji Nakanishi

We prove almost sure global existence and scattering for the energy-critical nonlinear Schr\"odinger equation with randomized spherically symmetric initial data in $H^s(\mathbb{R}^4)$ with $\frac56<s<1$. We were inspired to consider this…

Analysis of PDEs · Mathematics 2019-05-27 Rowan Killip , Jason Murphy , Monica Visan

In this paper we discuss global well - posedness and scattering for some initial value problems that are $L^{2}$ supercritical and $\dot{H}^{1}$ subcritical, with radial data. We prove global well - posedness and scattering for radial data…

Analysis of PDEs · Mathematics 2019-06-18 Benjamin Dodson

This article is concerned with the global asymptotic behavior for the generalized derivative nonlinear Schr\"odinger (gDNLS) equation. When the nonlinear effect is not strong, we show pointwise-in-time dispersive decay for solutions to the…

Analysis of PDEs · Mathematics 2025-04-16 Minjie Shan

In this paper, we study the global well-posedness and scattering theory for the defocusing fourth-order nonlinear Schr\"odinger equation (FNLS) $iu_t+\Delta^2 u+|u|^pu=0$ in dimension $d\geq9$. We prove that if the solution $u$ is apriorily…

Analysis of PDEs · Mathematics 2016-02-02 Changxing Miao , Jiqiang Zheng