English
Related papers

Related papers: Quasineutral limit for Vlasov-Poisson via Wasserst…

200 papers

In this work, we study the quasineutral limit of the one-dimensional Vlasov-Poisson equation for ions with massless thermalized electrons. We prove new weak-strong stability estimates in the Wasserstein metric that allow us to extend and…

Analysis of PDEs · Mathematics 2014-12-15 Daniel Han-Kwan , Mikaela Iacobelli

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…

Analysis of PDEs · Mathematics 2024-03-08 Megan Griffin-Pickering , Mikaela Iacobelli

The Vlasov-Poisson system is widely used in plasma physics and other related fields. In this paper, we study the Vlasov-Poisson system with initial uncertainty in the quasineutral regime. First, we prove the uniform convergence in the…

Analysis of PDEs · Mathematics 2025-12-16 Wenyi Wang , Yiwen Lin

This article presents an overview of quasineutral limits in plasma models. Starting from the Vlasov-Poisson system, it explains the role of the Debye length, the emergence of a kinetic incompressibility constraint, and the stability issues…

Analysis of PDEs · Mathematics 2026-05-28 Mikaela Iacobelli

This work is concerned with the quasineutral limit of the one-dimensional Vlasov-Poisson equation, for initial data close to stationary homogeneous profiles. Our objective is threefold: first, we provide a proof of the fact that the formal…

Analysis of PDEs · Mathematics 2015-06-18 Daniel Han-Kwan , Maxime Hauray

We study the quasineutral limit of a Vlasov-Poisson system that describes the dynamics of ions in a plasma. We handle data with Sobolev regularity under the sharp assumption that the profile of the initial data in the velocity variable…

Analysis of PDEs · Mathematics 2015-09-01 Daniel Han-Kwan , Frédéric Rousset

In this paper, we study the quasineutral limit of the isothermal Euler-Poisson equation for ions, in a domain with boundary. This is a follow-up to our previous work \cite{GVHKR}, devoted to no-penetration as well as subsonic outflow…

Analysis of PDEs · Mathematics 2014-03-06 David Gérard-Varet , Daniel Han-Kwan , Frédéric Rousset

We investigate the stability of solutions to the Vlasov-Poisson system using the unifying framework of the kinetic Wasserstein distance, introduced by Iacobelli in (Section 4 in Arch. Ration. Mech. Anal. 244 (2022), no. 1, 27-50). This…

Analysis of PDEs · Mathematics 2025-03-26 Jonathan Junné , Alexandre Rege

Slow manifold reduction and the theory of Poisson-Dirac submanifolds are used to deduce a Hamiltonian formulation for a quasineutral limit of the planar, collisionless, magnetized Vlasov-Poisson system. Motion on the slow manifold models…

Mathematical Physics · Physics 2025-08-14 J. W. Burby , D. A. Kaltsas , P. J. Morrison , E. Tassi , G. N. Throumoulopoulos

In this paper, we study the quasineutral limit (in other words the limit when the Debye length tends to zero) of Vlasov-Poisson like equations describing the behaviour of ions in a plasma. We consider massless electrons, with a charge…

Analysis of PDEs · Mathematics 2010-11-30 Daniel Han-Kwan

We study the quasineutral limit of the isothermal Euler-Poisson system describing a plasma made of ions and massless electrons. The analysis is achieved in a domain of $\R^3$ and thus extends former results by Cordier and Grenier [Comm.…

Analysis of PDEs · Mathematics 2011-12-02 David Gérard-Varet , Daniel Han-Kwan , Frédéric Rousset

We introduce a new class of Wasserstein-type distances specifically designed to tackle questions concerning stability and convergence to equilibria for kinetic equations. Thanks to these new distances, we improve some classical estimates by…

Analysis of PDEs · Mathematics 2022-02-23 Mikaela Iacobelli

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…

Analysis of PDEs · Mathematics 2025-05-19 Antoine Gagnebin , Mikaela Iacobelli , Alexandre Rege , Stefano Rossi

We extend Loeper's $L^2$-estimate relating the electric fields to the densities for the Vlasov-Poisson system to $L^p$, with $1 < p < +\infty$, based on the Helmholtz-Weyl decomposition. This allows us to generalize both the classical…

Analysis of PDEs · Mathematics 2024-03-18 Mikaela Iacobelli , Jonathan Junné

We construct the approximate solutions to the Vlasov--Poisson system in a half-space, which arises in the study of the quasi-neutral limit problem in the presence of a sharp boundary layer, referred as to the plasma sheath in the context of…

Mathematical Physics · Physics 2024-01-17 Chang-Yeol Jung , Bongsuk Kwon , Masahiro Suzuki , Masahiro Takayama

We investigate the gyrokinetic limit for the Vlasov-Poisson system in two dimensions, in the regime studied by Golse and Saint-Raymond. We present another proof of convergence to the Euler equation under several assumptions on the energy…

Analysis of PDEs · Mathematics 2016-03-16 Evelyne Miot

In this work, we propose a new numerical method for the Vlasov-Poisson system that is both asymptotically consistent and stable in the quasineutral regime, i.e. when the Debye length is small compared to the characteristic spatial scale of…

Numerical Analysis · Mathematics 2025-04-09 Alain Blaustein , Giacomo Dimarco , Francis Filbet , Marie-Hélène Vignal

In this paper, we investigate multidimensional first-order quasi-linear systems and find necessary conditions for them to admit Hamiltonian formulation. The insufficiency of the conditions is related to the Poisson cohomology of the…

Exactly Solvable and Integrable Systems · Physics 2024-09-11 Xin Hu , Matteo Casati

This paper concerns the derivation of the Kinetic Isothermal Euler system in dimension $d \geq 1$ from an N-particle system of extended charges with Coulomb interaction. This requires a combined mean field and quasineutral limit for a…

Analysis of PDEs · Mathematics 2019-12-09 Megan Griffin-Pickering , Mikaela Iacobelli

We provide a rigorous justification of the semiclassical quasi-neutral and the quantum many-body limits to the isothermal Euler equations. We consider the nonlinear Schr\"{o}dinger-Poisson-Boltzmann system under a quasi-neutral scaling and…

Analysis of PDEs · Mathematics 2025-04-01 Immanuel Ben Porat , Gui-Qiang G. Chen , Difan Yuan
‹ Prev 1 2 3 10 Next ›