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

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We consider the free boundary problem for relativistic plasma--vacuum interfaces in two and three spatial dimensions. The plasma flow is governed by the equations of ideal relativistic magnetohydrodynamics, while the vacuum magnetic and…

偏微分方程分析 · 数学 2026-04-30 Paolo Secchi , Yuri Trakhinin , Tao Wang

In this article, we design Asymptotic-Preserving Particle-In-Cell methods for the Vlasov-Maxwell system in the quasi-neutral limit, this limit being characterized by a Debye length negligible compared to the space scale of the problem.…

等离子体物理 · 物理学 2015-09-15 Pierre Degond , Fabrice Deluzet , David Doyen

We present a new fast solver to calculate fixed-boundary plasma equilibria in toroidally axisymmetric geometries. By combining conformal mapping with Fourier and integral equation methods on the unit disk, we show that high-order accuracy…

等离子体物理 · 物理学 2015-06-11 Andras Pataki , Antoine J. Cerfon , Jeffrey P. Freidberg , Leslie Greengard , Michael O'Neil

We develop first-principles theory of kinetic plasma turbulence governed by the Vlasov-Maxwell-Landau equations in the limit of vanishing collision rates. Following an exact renormalization-group approach pioneered by Onsager, we…

等离子体物理 · 物理学 2018-11-14 Gregory L. Eyink

In this paper, we study the Vlasov-Poisson-Landau Equations on $\mathbb{T}^3\times \mathbb{R}^3$ with small collision frequency $\nu\ll 1$. We prove that for $\nu$-independent perturbations of the global Maxwellians in Gevrey-$2_-$,…

偏微分方程分析 · 数学 2025-08-26 Jacob Bedrossian , Weiren Zhao , Ruizhao Zi

Exact solutions to the static equilibrium magnetohydrodynamic equations are presented and discussed for both axially and helically reduced systems. For both symmetries, physical restrictions on the solutions are discussed and it is seen…

等离子体物理 · 物理学 2022-03-30 Jason M. Keller , Alexei F. Cheviakov

We study the quasineutral limit for the relativistic Vlasov-Maxwell system in the framework of analytic regularity. Following the high regularity approach introduced by Grenier [44] for the Vlasov-Poisson system, we construct local-in-time…

偏微分方程分析 · 数学 2025-05-19 Antoine Gagnebin , Mikaela Iacobelli , Alexandre Rege , Stefano Rossi

Starting from the given passive particle equilibrium particle cylindrical profiles, we built self-consistent stationary conditions of the Maxwell-Vlasov equation at thermodynamic equilibrium with non-flat density profiles. The solutions to…

等离子体物理 · 物理学 2019-09-19 Elias Laribi , Shun Ogawa , Guilhem Dif-Pradalier , Alexei Vasiliev , Xavier Garbet , Xavier Leoncini

Equilibrium states in galactic dynamics can be described as stationary solutions of the Vlasov-Poisson system, which is the non-relativistic case, or of the Vlasov-Einstein system, which is the relativistic case. To obtain spherically…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Gerhard Rein , Alan D. Rendall

We prove global existence of the $3D$ relativistic Vlasov-Maxwell system for a class of arbitrary large regular initial data with spherical symmetry, in which the initial distribution function of particles is assumed to decay fast but…

偏微分方程分析 · 数学 2022-03-04 Xuecheng Wang

We study the free boundary problem for a plasma-vacuum interface in ideal incompressible magnetohydrodynamics. Unlike the classical statement when the vacuum magnetic field obeys the div-curl system of pre-Maxwell dynamics, to better…

偏微分方程分析 · 数学 2020-07-15 Alessandro Morando , Paolo Secchi , Yuri Trakhinin , Paola Trebeschi

We extend the definition of $n$-dimensional difference equations to complex order $\alpha\in \mathbb{C} $. We investigate the stability of linear systems defined by an $n$-dimensional matrix $A$ and derive conditions for the stability of…

动力系统 · 数学 2022-08-29 Sachin Bhalekar , Prashant M. Gade , Divya Joshi

The asymptotic properties at future null infinity of the solutions of the relativistic Vlasov-Maxwell system whose global existence for small data has been established by the author in a previous work are investigated. These solutions…

数学物理 · 物理学 2015-06-26 Simone Calogero

We study the plasma-vacuum interface problem in relativistic magnetohydrodynamics for the case when the plasma density does not go to zero continuously, but jumps. In the vacuum region we consider the Maxwell equations for electric and…

偏微分方程分析 · 数学 2011-11-21 Yuri Trakhinin

We study equilibrium states in relativistic galactic dynamics which are described by solutions of the Einstein-Vlasov system for collisionless matter. We recast the equations into a regular three-dimensional system of autonomous first order…

广义相对论与量子宇宙学 · 物理学 2019-05-01 Mikael Fjällborg , J. Mark Heinzle , Claes Uggla

This paper is devoted to the global analysis of the three-dimensional axisymmetric Navier--Stokes--Maxwell equations. More precisely, we are able to prove that, for large values of the speed of light $c\in (c_0, \infty)$, for some threshold…

偏微分方程分析 · 数学 2024-11-20 Diogo Arsénio , Zineb Hassainia , Haroune Houamed

We prove a sufficient condition for nonlinear stability of relative equilibria in the planar $N$-vortex problem. This result builds on our previous work on the Hamiltonian formulation of its relative dynamics as a Lie--Poisson system. The…

动力系统 · 数学 2024-06-19 Tomoki Ohsawa

We study radially symmetric solutions to the 2D Vlasov-Maxwell system and construct solutions that initially possess arbitrarily small $C^k$ norms ($k \geq 1$) for the charge densities and the electric fields, but attain arbitrarily large…

偏微分方程分析 · 数学 2023-11-14 Katherine Zhiyuan Zhang

We study smooth, global-in-time solutions of the relativistic Vlasov-Maxwell system that possess arbitrarily large charge densities and electric fields. In particular, we construct spherically symmetric solutions that describe a thin shell…

数学物理 · 物理学 2018-07-10 Jonathan Ben-Artzi , Simone Calogero , Stephen Pankavich

The Euler-Maxwell system describes the evolution of a plasma when the collisions are important enough that each species is in a hydrodynamic equilibrium. In this paper we prove global existence of small solutions to this system set in the…

偏微分方程分析 · 数学 2011-07-11 Pierre Germain , Nader Masmoudi