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Related papers: Small data solutions for the Vlasov-Poisson system…

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In this paper, we study small data solutions to the Vlasov-Poisson system with the simplest external potential, for which unstable trapping holds for the associated Hamiltonian flow. First, we provide a new proof of global existence for…

Analysis of PDEs · Mathematics 2023-10-30 Léo Bigorgne , Anibal Velozo Ruiz , Renato Velozo Ruiz

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

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

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

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},…

Analysis of PDEs · Mathematics 2022-07-13 Benoit Pausader , Klaus Widmayer , Jiaqi Yang

In this paper, we present sharp decay estimates for small data solutions of the following two systems: the Vlasov-Poisson (V-P) system in dimension 3 or higher and the Vlasov-Yukawa (V-Y) system in dimension 2 or higher. We rely on a…

Analysis of PDEs · Mathematics 2019-04-15 Xianglong Duan

We prove quantitative decay estimates of macroscopic quantities generated by the solutions to linear transport equations driven by a general family of Hamiltonians. The associated particle trajectories are all trapped in a compact region of…

Analysis of PDEs · Mathematics 2024-06-05 Mahir Hadžić , Gerhard Rein , Matthew Schrecker , Christopher Straub

A numerical method is proposed to solve the full-Eulerian time-dependent Vlasov-Poisson system in high dimension. The algorithm relies on the construction of a tensor decomposition of the solution whose rank is adapted at each time step.…

Numerical Analysis · Mathematics 2017-04-05 Virginie Ehrlacher , Damiano Lombardi

We prove the global stability of the Minkowski space viewed as the trivial solution of the Einstein-Vlasov system. To estimate the Vlasov field, we use the vector field and modified vector field techniques developed in [FJS15; FJS17]. In…

General Relativity and Quantum Cosmology · Physics 2021-03-24 David Fajman , Jérémie Joudioux , Jacques Smulevici

Based on ideas due to Scovel-Weinstein, I present a general framework for constructing fluid moment closures of the Vlasov-Poisson system that exactly preserve that system's Hamiltonian structure. Notably, the technique applies in any space…

Plasma Physics · Physics 2023-08-08 J. W. Burby

This paper is concerned with the asymptotic behavior of small data solutions to the three-dimensional Vlasov-Maxwell system in the exterior of a light cone. The plasma does not have to be neutral and no compact support assumptions are…

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

We investigate Hamiltonian fluid reductions of the one-dimensional Vlasov-Poisson equation. Our approach utilizes the hydrodynamic Poisson bracket framework, which allows us to systematically identify fundamental normal variables derived…

Mathematical Physics · Physics 2026-01-21 Rayan Oufar , Cristel Chandre

This paper is devoted to the linearized Vlasov-Poisson-Fokker-Planck system in presence of an external potential of confinement. We investigate the large time behaviour of the solutions using hypocoercivity methods and a notion of scalar…

Analysis of PDEs · Mathematics 2021-05-11 Lanoir Addala , Jean Dolbeault , Xingyu Li , Mohamed Lazhar Tayeb

In this paper, we study pointwise decay estimates in time for Vlasov fields on non-trapping asymptotically hyperbolic manifolds. We prove optimal decay estimates in time for the spatial density induced by Vlasov fields on these geometric…

Analysis of PDEs · Mathematics 2023-12-22 Anibal Velozo Ruiz , Renato Velozo Ruiz

The recently developed theory of Lagrangian flows for transport equations with low regularity coefficients enables to consider non BV vector fields. We apply this theory to prove existence and stability of global Lagrangian solutions to the…

Analysis of PDEs · Mathematics 2014-12-22 Anna Bohun , Gianluca Crippa , Francois Bouchut

This paper presents a systematic study of the relative entropy technique for compressible motions of continuum bodies described as Hamiltonian flows. While the description for the classical mechanics of $N$ particles involves a Hamiltonian…

Analysis of PDEs · Mathematics 2024-02-01 Jan Giesselmann , Kiwoong Kwon , Min-Gi Lee

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…

Analysis of PDEs · Mathematics 2021-06-30 Benoit Pausader , Klaus Widmayer

Diffusive limit of the Vlasov-Poisson-Boltzmann system with cutoff soft potentials $-3<\gamma<0$ in the perturbative framework around global Maxwellian still remains open. By introducing a new weighted $H_{x,v}^2$-$W_{x,v}^{2, \infty}$…

Analysis of PDEs · Mathematics 2023-07-27 Weijun Wu , Fujun Zhou , Yongsheng Li

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…

Analysis of PDEs · Mathematics 2024-04-10 Léo Bigorgne , Renato Velozo Ruiz
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