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相关论文: A sharp stability criterion for the Vlasov-Maxwell…

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The present paper is devoted to the convergence analysis of a class of asymptotic preserving particle schemes [Filbet \& Rodrigues, SIAM J. Numer. Anal., 54 (2) (2016)] for the Vlasov equation with a strong external magnetic field. In this…

数值分析 · 数学 2020-03-23 Francis Filbet , Luis Miguel Rodrigues , Hamed Zakerzadeh

Collisionless tearing instability with a power-law distribution function in a relativistic pair plasma with a guide field is studied. When the current sheet is supported by plasma pressure, the tearing mode is suppressed as the particle…

高能天体物理现象 · 物理学 2025-09-25 Ivan Demidov , Yuri Lyubarsky

We consider stability of solitons of 3D Maxwell--Lorentz system with extended charged spinning particle.The solitons are solutions which correspond to a particle moving with a constant velocity $v\in\R^3$ with $|v|<1$ and rotating with a…

数学物理 · 物理学 2024-12-03 Alexander Komech , Elena Kopylova

We study smooth, spherically-symmetric solutions to the Vlasov-Poisson system and relativistic Vlasov-Poisson system in the plasma physical case. In particular, we construct solutions that initially possess arbitrarily small charge…

偏微分方程分析 · 数学 2023-12-05 Kaiwen Tan

In this paper, we study the asymptotic stability of Penrose-stable equilibria among solutions of the screened Vlasov-Poisson system in $\mathbb{R}^d$ with $d\geq 3$ that was first established by Bedrossian, Masmoudi, and Mouhot in…

偏微分方程分析 · 数学 2022-07-05 Lingjia Huang , Quoc-Hung Nguyen , Yiran Xu

In this paper we study the linear stability of relative equilibria in the Newtonian $n$-body problem from the viewpoint of electromagnetic systems. We first examine the effect of the ambient dimension on stability, starting from the…

动力系统 · 数学 2026-04-10 Luca Asselle , Giorgia Testolina

We consider the two-dimensional Vlasov-Poisson system to model a two-component plasma whose distribution function is constant with respect to the third space dimension. First, we show how this two-dimensional Vlasov-Poisson system can be…

数学物理 · 物理学 2021-10-12 Patrik Knopf

In this paper, we study the global well-posedness and decay rates of strong solutions to an incompressible Vlasov-MHD model arising in magnetized plasmas. This model is consist of the Vlasov equation and the incompressible…

偏微分方程分析 · 数学 2024-08-27 Fucai Li , Jinkai Ni , Man Wu

The Vlasov-Poisson system with massless electrons (VPME) is widely used in plasma physics to model the evolution of ions in a plasma. It differs from the Vlasov-Poisson system (VP) for electrons in that the Poisson coupling has an…

偏微分方程分析 · 数学 2021-05-27 Megan Griffin-Pickering , Mikaela Iacobelli

We consider a self-gravitating collisionless gas as described by the Vlasov-Poisson or Einstein-Vlasov system or a self-gravitating fluid ball as described by the Euler-Poisson or Einstein-Euler system. We give a simple proof for the finite…

广义相对论与量子宇宙学 · 物理学 2013-12-16 Tobias Ramming , Gerhard Rein

The Vlasov-Einstein system describes the evolution of an ensemble of particles (such as stars in a galaxy, galaxies in a galaxy cluster etc.) interacting only by the gravitational field which they create collectively and which obeys…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Gerhard Rein

In the paper, gridless particle techniques are presented in order to solve problems involving electrostatic, collisionless plasmas. The method makes use of computational particles having the shape of spherical shells or of rings, and can be…

等离子体物理 · 物理学 2019-01-24 E. Boella , G. Coppa , A. D Angola , B. Peiretti Paradisi

We derive axisymmetric equilibrium equations in the context of the hybrid Vlasov model with kinetic ions and massless fluid electrons, assuming isothermal electrons and deformed Maxwellian distribution functions for the kinetic ions. The…

等离子体物理 · 物理学 2024-06-06 D. A. Kaltsas , A. Kuiroukidis , P. J. Morrison , G. N. Throumoulopoulos

We present a numerical solution in the form of a three-dimensional (3D) vortex soliton in unmagnetized plasma in the model of the generalized Zakharov equations with saturating exponential nonlinearity. To find the solution with a high…

斑图形成与孤子 · 物理学 2020-04-08 Volodymyr M. Lashkin

We construct a mean-field model that describes the nonlinear dynamics of a spin-polarized electron gas interacting with fixed, positively-charged ions possessing a magnetic moment that evolves in time. The mobile electrons are modeled by a…

等离子体物理 · 物理学 2025-01-15 Benjamin Bakri , Nicolas Crouseilles , Paul-Antoine Hervieux , Xue Hong , Giovanni Manfredi

The present paper completes our earlier results on nonlinear stability of stationary solutions of the Vlasov-Poisson system in the stellar dynamics case. By minimizing the energy under a mass-Casimir constraint we construct a large class of…

数学物理 · 物理学 2009-10-31 Yan Guo , Gerhard Rein

In this paper, we establish the stability of the quasineutral limit for the ionic Vlasov-Poisson system under perturbations exponentially small in Wasserstein sense. Notably, we emphasize that exponential smallness is a necessary condition…

偏微分方程分析 · 数学 2024-03-08 Megan Griffin-Pickering , Mikaela Iacobelli

A long-standing challenge encountered in modeling plasma dynamics is achieving practical Vlasov equation simulation in multiple spatial dimensions over large length and time scales. While direct multi-dimension Vlasov simulation methods…

等离子体物理 · 物理学 2015-05-30 Harvey A. Rose , William Daughton

A discontinuous Galerkin method for approximating the Vlasov-Poisson system of equations describing the time evolution of a collisionless plasma is proposed. The method is mass conservative and, in the case that piecewise constant functions…

等离子体物理 · 物理学 2011-10-04 R. E. Heath , I. M. Gamba , P. J. Morrison , C. Michler

Although the nuclear fusion process has received a great deal of attention in recent years, the amount of mathematical analysis that supports the stability of the system seems to be relatively insufficient. This paper deals with the…

偏微分方程分析 · 数学 2021-11-09 Jin Woo Jang , Robert M. Strain , Tak Kwong Wong