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Related papers: Scattering for NLS with a potential on the line

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In this article, we prove the scattering for the quintic defocusing nonlinear Schr\"odinger equation on cylinder $\mathbb{R} \times \mathbb{T}$ in $H^1$. We establish an abstract linear profile decomposition in $L^2_x h^\alpha$, $0 < \alpha…

Analysis of PDEs · Mathematics 2018-09-06 Xing Cheng , Zihua Guo , Zehua Zhao

We consider the nonlinear Schr\"odinger equation in three space dimensions with a focusing cubic nonlinearity and defocusing quintic nonlinearity and in the presence of an external inverse-square potential. We establish scattering in the…

Analysis of PDEs · Mathematics 2024-12-16 Alex H. Ardila , Jason Murphy

In this paper, we study the focusing and defocusing energy--subcritical, nonlinear wave equation in $\mathbb{R}^{1+d}$ with radial initial data for $d = 4,5$. We prove that if a solution remains bounded in the critical space on its interval…

Analysis of PDEs · Mathematics 2017-04-06 Casey Rodriguez

We consider two classes of defocusing energy-supercritical nonlinear Schr\"odinger equations in dimensions $d\geq 5$. We prove that if the solution $u$ is apriorily bounded in the critical Sobolev space, that is, $u\in L_t^\infty \dot…

Analysis of PDEs · Mathematics 2008-12-12 Rowan Killip , Monica Visan

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

A one-dimensional generalized nonlinear Schroedinger equation is considered, and the corresponding inverse scattering problem is analyzed when the potential is compactly supported and depends on the wave function. The unique recovery of the…

Mathematical Physics · Physics 2007-05-23 Tuncay Aktosun , Vassilis G. Papanicolaou , Vassilis Zisis

We consider the defocusing $\dot H^1$-critical nonlinear Schr\"odinger equation in all dimensions ($n\geq 3$) with a quadratic potential $V(x)=\pm \tfrac12 |x|^2$. We show global well-posedness for radial initial data obeying $\nabla…

Analysis of PDEs · Mathematics 2010-10-21 Rowan Killip , Monica Visan , Xiaoyi Zhang

We consider the mass-subcritical nonlinear Schr\"odinger equation in all space dimensions with focusing or defocusing nonlinearity. For such equations with critical regularity $s_c\in(\max\{-1,-\frac{d}{2}\},0)$, we prove that any solution…

Analysis of PDEs · Mathematics 2017-07-19 Rowan Killip , Satoshi Masaki , Jason Murphy , Monica Visan

When the spatial dimensions $n$=2, the initial data $u_0\in H^1$ and the Hamiltonian $H(u_0)\leq 1$, we prove that the scattering operator is well-defined in the whole energy space $H^1(\mathbb{R}^2)$ for nonlinear Schr\"{o}dinger equation…

Analysis of PDEs · Mathematics 2012-03-23 Shuxia Wang

We prove global well-posedness and scattering in $H^1$ for the defocusing nonlinear Schr\"{o}dinger equations \begin{equation*} \begin{cases} &(i\partial_t+\Delta_\g)u=u|u|^{2\sigma}; &u(0)=\phi, \end{cases} \end{equation*} on the…

Analysis of PDEs · Mathematics 2008-01-21 Alexandru D. Ionescu , Gigliola Staffilani

In this article, we establish in the radial framework the $H^1$-scattering for the critical 2-D nonlinear Schr\"odinger equation with exponential growth. Our strategy relies on both the a priori estimate derived in \cite{CGT, PV} and the…

Analysis of PDEs · Mathematics 2013-02-07 Hajer Bahouri , Slim Ibrahim , Galina Perelman

We prove scattering for small solutions to of nonlinear Schroedinger equations in 1D with a space periodic potential

Analysis of PDEs · Mathematics 2008-08-27 Scipio Cuccagna , Nicola Visciglia

We present numerical simulations of the defocusing nonlinear Schrodinger (NLS) equation with an energy supercritical nonlinearity. These computations were motivated by recent works of Kenig-Merle and Kilip-Visan who considered some energy…

Analysis of PDEs · Mathematics 2009-08-17 J. Colliander , G. Simpson , C. Sulem

We consider the $L^{2}$-critical quintic focusing nonlinear Schr\"odinger equation (NLS) on ${\bf R}$. It is well known that $H^{1}$ solutions of the aforementioned equation blow up in finite time. In higher dimensions, for $H^{1}$…

Analysis of PDEs · Mathematics 2007-05-23 Nikolaos Tzirakis

We study an inverse scattering problem for a pair of Hamiltonians $(H(h), H\_0 (h))$ on $L^2 (\r^n)$, where $H\_0 (h) = -h^2 \Delta$ and $H (h)= H\_0 (h) +V$, $V$ is a short-range potential with a regular behaviour at infinity and $h$ is…

Mathematical Physics · Physics 2007-05-23 François Nicoleau

We show that the solutions of the three-dimensional critical defocusing nonlinear wave equation with Neumann boundary conditions outside a ball and radial initial data scatter. This is to our knowledge the first result of scattering for a…

Analysis of PDEs · Mathematics 2020-04-21 Thomas Duyckaerts , David Lafontaine

In this paper, we consider the fourth-order Schr\"odinger equations with focusing, $L^2$-supercritical nonlinearity in one dimension. We prove the global existence and scattering of solutions below the ground state threshold under the…

Analysis of PDEs · Mathematics 2023-06-22 Koichi Komada , Satoshi Masaki

We consider the defocusing $\dot{H}^{1/2}$-critical nonlinear Schr\"odinger equation in dimensions $d\geq 5$. In the spirit of Kenig and Merle [Trans. Amer. Math. Soc. 362 (2010), 1937--1962], we combine a concentration-compactness approach…

Analysis of PDEs · Mathematics 2015-01-16 Jason Murphy

We consider the derivation of the defocusing cubic nonlinear Schr\"{o}dinger equation (NLS) on $\mathbb{R}^{3}$ from quantum $N$-body dynamics. We reformat the hierarchy approach with Klainerman-Machedon theory and prove a bi-scattering…

Analysis of PDEs · Mathematics 2022-06-01 Xuwen Chen , Justin Holmer

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