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In this paper, we study small data solutions for the Vlasov-Poisson system with the simplest external potential, for which unstable trapping holds for the associated Hamiltonian flow. We prove sharp decay estimates in space and time for…

偏微分方程分析 · 数学 2023-04-25 Anibal Velozo Ruiz , Renato Velozo Ruiz

We construct (modified) scattering operators for the Vlasov-Poisson system in three dimensions, mapping small asymptotic dynamics as $t\to -\infty$ to asymptotic dynamics as $t\to +\infty$. The main novelty is the construction of modified…

偏微分方程分析 · 数学 2021-01-06 Patrick Flynn , Zhimeng Ouyang , Benoit Pausader , Klaus Widmayer

In this paper, we study the precise late-time asymptotic behaviour of small data solutions for the Vlasov-Poisson system in dimension three. First, we show that the spatial density and the force field satisfy asymptotic self-similar…

偏微分方程分析 · 数学 2024-04-10 Léo Bigorgne , Renato Velozo Ruiz

We prove small data modified scattering for the Vlasov-Poisson system in dimension $d=3$ using a method inspired from dispersive analysis. In particular, we identify a simple asymptotic dynamic related to the scattering mass.

偏微分方程分析 · 数学 2020-05-08 Alexandru D. Ionescu , Benoit Pausader , Xuecheng Wang , Klaus Widmayer

We prove that for any global solution to the Vlasov-Maxwell system arising from compactly supported data, and such that the electromagnetic field decays fast enough, the distribution function exhibits a modified scattering dynamic. In…

偏微分方程分析 · 数学 2025-06-23 Emile Breton

The purpose of this paper is twofold. In the first part, we provide a new proof of the global existence of the solutions to the Vlasov-Maxwell system with a small initial distribution function. Our approach relies on vector field methods,…

偏微分方程分析 · 数学 2025-03-05 Léo Bigorgne

We consider the relativistic Vlasov-Maxwell system in three dimensions and study the limiting asymptotic behavior as $t \to \infty$ of solutions launched by small, compactly supported initial data. In particular, we prove that such…

偏微分方程分析 · 数学 2024-03-12 Stephen Pankavich , Jonathan Ben-Artzi

We consider the repulsive Vlasov-Poisson system in dimension $d \geq 4$. A sufficient condition on the decay rate of the associated electric field is presented that guarantees the scattering and determination of the complete asymptotic…

偏微分方程分析 · 数学 2023-06-08 Stephen Pankavich

We consider the Vlasov-Poisson system with initial data a small, radial, absolutely continuous perturbation of a point charge. We show that the solution is global and disperses to infinity via a modified scattering along trajectories of the…

偏微分方程分析 · 数学 2021-06-30 Benoit Pausader , Klaus Widmayer

We study the long-time asymptotic behavior of small-data solutions to the three-dimensional Vlasov--Riesz system with the inverse power-law potential $\lambda |x|^{-\alpha}$ in the strictly long-range regime ($0 < \alpha < 1$). By…

偏微分方程分析 · 数学 2026-04-07 Younghun Hong , Stephen Pankavich

We study the long-time behavior of radially symmetric solutions to the Vlasov-Poisson equation consisting of an attractive point mass and a small, suitably localized and absolutely continuous distribution of particles: if the latter is…

偏微分方程分析 · 数学 2025-11-07 Bernhard Kepka , Klaus Widmayer

We construct an isometric modified scattering operator, mapping any sufficiently regular past scattering state, with a small distribution function, to the future one corresponding to forward evolution by the Vlasov-Maxwell system. The main…

偏微分方程分析 · 数学 2023-12-20 Léo Bigorgne

Many conservative physical systems can be described using the Hamiltonian formalism. A notable example is the Vlasov-Poisson equations, a set of partial differential equations that govern the time evolution of a phase-space density function…

机器学习 · 计算机科学 2025-05-09 Vincent Souveton , Sébastien Terrana

We consider the Vlasov--Poisson system with a repulsive harmonic potential and prove the (modified) scattering of solutions, as well as the existence of wave operators, in any spatial dimension $d\geq 2$. The main novelty of this work is…

偏微分方程分析 · 数学 2026-02-26 Wenrui Huang , Hyunwoo Kwon

In this paper, we consider the asymptotic behaviors of small solutions to the semi-relativistic Hartree equations in two dimension. The nonlinear term is convolved with the Coulomb potential 1/|x|, and it produces the long-range interaction…

偏微分方程分析 · 数学 2023-08-01 Soonsik Kwon , Kiyeon Lee , Changhun Yang

We use modified scattering theory to demonstrate that small-data solutions to the cubic nonlinear Schr\"odinger equation on rescaled waveguide manifolds, $\mathbb{R} \times \mathbb{T}^d$ for $d\geq 2$, demonstrate boundedness of Sobolev…

偏微分方程分析 · 数学 2022-07-18 Bobby Wilson , Xueying Yu

We consider solutions of the repulsive Vlasov-Poisson system which are a combination of a point charge and a small gas, i.e.\ measures of the form $\delta_{(\mathcal{X}(t),\mathcal{V}(t))}+\mu^2d{\bf x}d{\bf v}$ for some $(\mathcal{X},…

偏微分方程分析 · 数学 2022-07-13 Benoit Pausader , Klaus Widmayer , Jiaqi Yang

This paper proves almost-sharp asymptotics for small data solutions of the Vlasov-Nordstr\"om system in dimension three. This system consists of a wave equation coupled to a transport equation and describes an ensemble of relativistic,…

偏微分方程分析 · 数学 2017-04-19 David Fajman , Jérémie Joudioux , Jacques Smulevici

We study a Newtonian model which allows us to describe some extremely flat objects in galactic dynamics. This model is described by a partial differential equation system called Vlasov-Poisson, whose solutions describe the temporal…

偏微分方程分析 · 数学 2023-10-17 Matias Moreno

This paper develops a scattering theory for the asymmetric transport observed at interfaces separating two-dimensional topological insulators. Starting from the spectral decomposition of an unperturbed interface Hamiltonian, we present a…

谱理论 · 数学 2025-08-13 Binglu Chen , Guillaume Bal
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