English
Related papers

Related papers: Scattering for the beam equation

200 papers

We study the focusing power nonlinear wave equation with any power, in Minkowski space of any spacetime dimension. We present a complete understanding of the local stability and scattering theory (both in high regularity spaces) for…

Analysis of PDEs · Mathematics 2026-02-04 Istvan Kadar , Warren Li

We consider the nonlinear Schr\"odinger equation in three space dimensions with combined focusing cubic and defocusing quintic nonlinearity. This problem was considered previously by Killip, Oh, Pocovnicu, and Visan, who proved scattering…

Analysis of PDEs · Mathematics 2021-10-22 Rowan Killip , Jason Murphy , Monica Visan

We consider the defocusing energy-critical nonlinear Schr\"odinger equation with inverse-square potential $iu_t = -\Delta u + a|x|^{-2}u + |u|^4u$ in three space dimensions. We prove global well-posedness and scattering for $a>-\frac14…

Analysis of PDEs · Mathematics 2015-09-22 R. Killip , C. Miao , M. Visan , J. Zhang , J. Zheng

We consider the Cauchy problem for linearly damped nonlinear Schr\"odinger equations \[ i\partial_t u + \Delta u + i a u= \pm |u|^\alpha u, \quad (t,x) \in [0,\infty) \times \mathbb{R}^N, \] where $a>0$ and $\alpha>0$. We prove the global…

Analysis of PDEs · Mathematics 2020-01-27 Van Duong Dinh

We study the global existence of solutions to semilinear damped wave equations in the scattering case with derivative power-type nonlinearity on (1+3) dimensional nontrapping asymptotically Euclidean manifolds. The main idea is to exploit…

Analysis of PDEs · Mathematics 2018-07-09 Yige Bai , Mengyun Liu

We study the energy-critical nonlinear wave equation in the presence of an inverse-square potential in dimensions three and four. In the defocusing case, we prove that arbitrary initial data in the energy space lead to global solutions that…

Analysis of PDEs · Mathematics 2020-06-23 Changxing Miao , Jason Murphy , Jiqiang Zheng

We consider the focusing inhomogeneous nonlinear Schr\"odinger equation in $H^1(\mathbb{R}^3)$, \begin{equation} i\partial_t u + \Delta u + |x|^{-b}|u|^{2}u=0,{equation} where $0 < b <\tfrac{1}{2}$. Previous works have established a…

Analysis of PDEs · Mathematics 2024-12-16 Luccas Campos , Jason Murphy

In this work, we consider the focusing generalized inhomogeneous Hartree equation with potential \[ i u_t + \Delta u - V(x)u + \left(I_{\gamma} * |x|^{-b}|u|^{p}\right)|x|^{-b}|u|^{p-2}u = 0, \] where $0<\gamma<3$ and…

Analysis of PDEs · Mathematics 2025-09-01 Carlos M. Guzmán , Suerlan Silva , Gabriel Peçanha

In this paper, we investigate the global behaviors of solutions to defocusing semilinear wave equations in $\mathbb{R}^{1+d}$ with $d\geq 3$. We prove that in the energy space the solution verifies the integrated local energy decay…

Analysis of PDEs · Mathematics 2019-08-05 Shiwu Yang

In this paper we consider an inverse problem for the $n$-dimensional random Schr\"{o}dinger equation $(\Delta-q+k^2)u = 0$. We study the scattering of plane waves in the presence of a potential $q$ which is assumed to be a Gaussian random…

Analysis of PDEs · Mathematics 2016-07-13 Pedro Caro , Tapio Helin , Matti Lassas

We analyze the analytic Landau damping problem for the Vlasov-HMF equation, by fixing the asymptotic behavior of the solution. We use a new method for this "scattering problem", closer to the one used for the Cauchy problem. In this way we…

Analysis of PDEs · Mathematics 2021-12-01 Dario Benedetto , Emanuele Caglioti , Stefano Rossi

We develop the techniques of \cite{KS1} and \cite{ES1} in order to derive dispersive estimates for a matrix Hamiltonian equation defined by linearizing about a minimal mass soliton solution of a saturated, focussing nonlinear Schr\"odinger…

Analysis of PDEs · Mathematics 2009-06-03 Jeremy Marzuola

In the standard Breit-Wigner approach to scattering the phase shift is to have a form $\tan\delta_{\rm BW} =\Gamma_1/(E_1-E)$ at a real energy resonance. This leads to complex energy poles in the scattering amplitude at $E_{\rm…

High Energy Physics - Phenomenology · Physics 2026-05-28 Philip D. Mannheim

We study the scattering for the energy-subcritical stochastic nonlinear Schr\"odinger equation (SNLS) with additive noise. In particular, we examine the long-time behavior of solutions associated with the noise…

Analysis of PDEs · Mathematics 2024-12-05 Engin Başakoğlu , Faruk Temur , Barış Yeşiloğlu , Oğuz Yılmaz

In this paper the author considers the global existence and well-posedness of the non-linear wave equation $\partial_t^2 u - \Delta u = -|u|^{p-1} u$ in 3-dimensional space, assuming that the initial data is in the space $(\dot{H}^s \cap…

Analysis of PDEs · Mathematics 2012-05-23 Ruipeng Shen

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

In this paper we study the scattering of non-radial solutions in the energy space to coupled system of nonlinear Schr\"{o}dinger equations with quadratic-type growth interactions in dimension five without the mass-resonance condition. Our…

Analysis of PDEs · Mathematics 2021-03-26 Norman Noguera , Ademir Pastor

We shortly review different methods to obtain the scattering solutions of the Bethe-Salpeter equation in Minkowski space. We emphasize the possibility to obtain the zero energy observables in terms of the Euclidean scattering amplitude.

High Energy Physics - Phenomenology · Physics 2016-07-20 J. Carbonell , V. A. Karmanov

In this paper, we simplify the proof of M. Hamano in \cite{Hamano2018}, scattering theory of the solution to \eqref{NLS system}, by using the method from B. Dodson and J. Murphy in \cite{Dodson2018}. Firstly, we establish a criterion to…

Analysis of PDEs · Mathematics 2020-01-22 Fanfei Meng , Chengbin Xu

We study the theory of scattering in the energy space for the Hartree equation in space dimension n>2. Using the method of Morawetz and Strauss, we prove in particular asymptotic completeness for radial nonnegative nonincreasing potentials…

Analysis of PDEs · Mathematics 2007-05-23 J. Ginibre , G. Velo