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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,…

Analysis of PDEs · Mathematics 2017-04-19 David Fajman , Jérémie Joudioux , Jacques Smulevici

We study the asymptotic properties of the small data solutions of the Vlasov-Maxwell system in dimension three. No neutral hypothesis nor compact support assumptions are made on the data. In particular, the initial decay in the velocity…

Analysis of PDEs · Mathematics 2020-07-07 Léo Bigorgne

The aim of this article is to demonstrate how the vector field method of Klainerman can be adapted to the study of transport equations. After an illustration of the method for the free transport operator, we apply the vector field method to…

Analysis of PDEs · Mathematics 2015-04-10 Jacques Smulevici

We study the small data global regularity problem of the $3D$ Vlasov-Poisson system for both the relativistic case and the non-relativistic case. The main goal of this paper is twofold. (i) Based on a Fourier method, which works…

Analysis of PDEs · Mathematics 2020-02-19 Xuecheng Wang

We prove almost sharp decay estimates for the small data solutions and their derivatives of the Vlasov-Maxwell system in dimension $n \geq 4$. The smallness assumption concerns only certains weighted $L^1$ or $L^2$ norms of the initial…

Analysis of PDEs · Mathematics 2019-03-12 Léo Bigorgne

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…

Analysis of PDEs · Mathematics 2023-04-25 Anibal Velozo Ruiz , Renato Velozo Ruiz

The Vlasov-Poisson system describes interacting systems of collisionless particles. For solutions with small initial data in three dimensions it is known that the spatial density of particles decays like $t^{-3}$ at late times. In this…

Analysis of PDEs · Mathematics 2007-05-23 Hyung Ju Hwang , Alan D. Rendall , Juan J. L. Velazquez

In this paper, we consider a finite difference grid-based semi-Lagrangian approach in solving the Vlasov-Poisson (VP) system. Many of existing methods are based on dimensional splitting, which decouples the problem into solving linear…

Numerical Analysis · Mathematics 2016-03-01 Jing-Mei Qiu , Giovanni Russo

This paper is concerned with the asymptotic properties of the small data solutions to the massless Vlasov-Maxwell system in $3d$. We use vector field methods to derive almost optimal decay estimates in null directions for the…

Analysis of PDEs · Mathematics 2020-12-14 Léo Bigorgne

We prove a uniqueness result for weak solutions to the Vlasov-Navier-Stokes system in two dimensions, both in the whole space and in the periodic case, under a mild decay condition on the initial distribution function. The main result is…

Analysis of PDEs · Mathematics 2017-10-23 Daniel Han-Kwan , Évelyne Miot , Ayman Moussa , Iván Moyano

We prove the pointwise decay of solutions to three linear equations: (i) the transport equation in phase space generalizing the classical Vlasov equation, (ii) the linear Schrodinger equation, (iii) the Airy (linear KdV) equation. The usual…

Analysis of PDEs · Mathematics 2018-02-15 Willie Wai Yeung Wong

We study the large time behavior of classical solutions to the two-dimensional Vlasov-Poisson (VP) and relativistic Vlasov-Poisson (RVP) systems launched by radially-symmetric initial data with compact support. In particular, we prove that…

Analysis of PDEs · Mathematics 2022-09-20 Jonathan Ben-Artzi , Baptiste Morisse , Stephen Pankavich

We study the asymptotic behavior of small data solutions to the screened Vlasov Poisson(i.e. Vlasov-Yukawa) equation on ${\mathbb R}\times{\mathbb R}$ near vacuum. We show that for initial data small in Gevrey-2 regularity, the derivative…

Analysis of PDEs · Mathematics 2024-11-22 Dongyi Wei

The Vlasov-Poisson system is a classical model in physics used to describe the evolution of particles under their self-consistent electric or gravitational field. The existence of classical solutions is limited to dimensions $d\leq 3$ under…

Analysis of PDEs · Mathematics 2018-02-21 Luigi Ambrosio , Maria Colombo , Alessio Figalli

We establish the time decay rates of the solutions to the Cauchy problem for the two-species Vlasov-Poisson-Boltzmann system near Maxwellians via a refined pure energy method. The negative Sobolev norms are shown to be preserved along time…

Analysis of PDEs · Mathematics 2015-09-29 Yanjin Wang

In this paper, we establish derivative estimates for the Vlasov-Poisson system with screening interactions around Penrose-stable equilibria on the phase space $\mathbb{R}^d_x\times \mathbb{R}_v^d$, with dimension $d\ge 3$. In particular, we…

Analysis of PDEs · Mathematics 2020-04-14 Trinh T. Nguyen

We review the Lyapunov functional method for linear ODEs and give an explicit construction of such functionals that yields sharp decay estimates, including an extension to defective ODE systems. As an application, we consider three…

Analysis of PDEs · Mathematics 2019-08-27 Anton Arnold , Shi Jin , Tobias Wöhrer

The pointwise space-time behavior of the Green's function of the three-dimensional modified Vlasov-Poisson-Boltzmann system is studied in this paper. It is shown that the Green's function has a decomposition of the macroscopic diffusive…

Analysis of PDEs · Mathematics 2026-04-16 Yanchao Li , Luobin Qiu , Mingying Zhong

We adapt the vector field method of Klainerman to the study of relativistic transport equations. First, we prove robust decay estimates for velocity averages of solutions to the relativistic massive and massless transport equations, without…

Analysis of PDEs · Mathematics 2018-03-16 David Fajman , Jérémie Joudioux , Jacques Smulevici

We use optimal transportation techniques to show uniqueness of the compactly supported weak solutions of the relativistic Vlasov-Darwin system. Our proof extends the method used by Loeper in J. Math. Pures Appl. 86, 68-79 (2006) to obtain…

Mathematical Physics · Physics 2012-09-04 Reinel Sospedra-Alfonso , Martial Agueh
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