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In this paper, we consider the quadratic nonlinear Schr\"odinger system in three space dimensions. Our aim is to obtain sharp scattering criteria. Because of the mass-subcritical nature, it is difficult to do so in terms of conserved…

偏微分方程分析 · 数学 2020-01-01 Masaru Hamano , Satoshi Masaki

We consider the nonlinear Schr\"odinger equation with periodic dispersion management. We first establish global-in-time Strichartz estimates for the underlying linear equation with suitable dispersion maps. As an application, we establish a…

偏微分方程分析 · 数学 2023-05-11 Jason Murphy , Tim Van Hoose

We study propagation of stationary waves in disordered non-linear media described by the non-linear Schroedinger equation and show that for given boundary conditions and a given coherent wave incident on a sample the number of solutions of…

无序系统与神经网络 · 物理学 2009-11-10 B. Spivak , A. Zyuzin

We consider a dispersive equation of Schr{\"o}dinger type with a non-linearity slightly larger than cubic by a logarithmic factor. This equation is supposed to be an effective model for stable two dimensional quantum droplets with LHY…

偏微分方程分析 · 数学 2023-12-04 Rémi Carles , Christof Sparber

In this paper, an extended nonlinear Schrodinger equation with higher-order that includes fifth-order dispersion with matching higher-order nonlinear terms is investigated under zero boundary condition at infinity. Carrying out the spectral…

可精确求解与可积系统 · 物理学 2020-04-03 Zhou-Zheng Kang , Tie-Cheng Xia

We study the zero-noise limit for autonomous, one-dimensional ordinary differential equations with discontinuous right-hand sides. Although the deterministic equation might have infinitely many solutions, we show, under rather general…

概率论 · 数学 2022-05-31 Ulrik Skre Fjordholm , Markus Musch , Andrey Pilipenko

In this paper we prove global existence and uniqueness of solutions to the stochastic logarithmic Schr\"odinger equation with linear multiplicative noise. Our approach is mainly based on the rescaling approach and the method of maximal…

概率论 · 数学 2015-11-03 Viorel Barbu , Michael Röckner , Deng Zhang

We consider an anisotropic model case for a strictly convex domain of dimension $d\geq 2$ with smoothboundary and we describe dispersion forthe semi-classical Schr{\"o}dinger equation with Dirichlet boundary condition. More specifically, we…

偏微分方程分析 · 数学 2021-08-19 Oana Ivanovici

We prove sharp Strichartz estimates for the semi-classical Schrodinger equation on a compact manifold with smooth, strictly geodesically concave boundary. We deduce sharp (classical) Strichartz estimates for the Schrodinger equation outside…

偏微分方程分析 · 数学 2009-09-04 Oana Ivanovici

We derive dispersion estimates for solutions of the one-dimensional discrete perturbed Schr\"odinger and wave equations. In particular, we improve upon previous works and weaken the conditions on the potentials. To this end we also provide…

谱理论 · 数学 2015-12-18 Iryna Egorova , Elena Kopylova , Gerald Teschl

We investigate the focusing and defocusing energy-critical stochastic nonlinear Schr\"odinger equation, subject to random perturbations in the form of either additive or multiplicative (Stratonovich) noise. We establish local well-posedness…

偏微分方程分析 · 数学 2026-04-17 Annie Millet , Svetlana Roudenko

We show that the Schr\"{o}dinger-Newton equation, which describes the nonlinear time evolution of self-gravitating quantum matter, can be made compatible with the no-signaling requirement by elevating it to a stochastic differential…

量子物理 · 物理学 2015-02-11 Stefan Nimmrichter , Klaus Hornberger

In this article, we study Stochastic mass critical nonlinear Schr\"odinger equations with a multiplicative noise in 3D with a slight time decay ($\langle t \rangle^{-\epsilon}$), and prove associated space-time bound and scattering…

偏微分方程分析 · 数学 2020-10-22 Chenjie Fan , Zehua Zhao

We develop the existence, uniqueness, continuity, stability, and scattering theory for energy-critical nonlinear Schr\"odinger equations in dimensions $n \geq 3$, for solutions which have large, but finite, energy and large, but finite,…

偏微分方程分析 · 数学 2007-05-23 Terence Tao , Monica Visan

In this article, we have analyzed the full discretization of the Stochastic semilinear Schr\"{o}dinger equation in a bounded convex polygonal domain driven by multiplicative Wiener noise. We use the finite element method for spatial…

数值分析 · 数学 2025-04-22 Suprio Bhar , Mrinmay Biswas , Mangala Prasad

We examine the weak quantum noise limit of Wigner equation for phase space distribution functions. It has been shown that the leading order quantum noise described in terms of an auxiliary Hamiltonian manifests itself as an additional…

chao-dyn · 物理学 2009-10-31 Bidhan Chandra Bag , Deb Shankar Ray

We consider the impact of additive Gaussian white noise on a supercritical pitchfork bifurcation in an unbounded domain. As an example we focus on the stochastic Swift-Hohenberg equation with polynomial nonlinearity. Here we identify the…

概率论 · 数学 2020-10-02 Luigi Amedeo Bianchi , Dirk Blömker

In this article, we construct a global martingale solution to a general nonlinear Schr\"{o}dinger equation with linear multiplicative noise in the Stratonovich form. Our framework includes many examples of spatial domains like…

偏微分方程分析 · 数学 2019-06-21 Fabian Hornung

We consider the $1d$ cubic nonlinear Schr\"odinger equation with an external potential $V$ that is non-generic. Without making any parity assumption on the data, but assuming that the zero energy resonance of the associated Schr\"odinger…

偏微分方程分析 · 数学 2022-05-04 Gong Chen , Fabio Pusateri

For the Schr\"odinger equation with a cubic-quintic, focusing-defocusing nonlinearity in one space dimension, we prove the asymptotic stability of solitary waves for a large range of admissible frequencies. For this model, the linearized…

偏微分方程分析 · 数学 2023-02-22 Yvan Martel