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The Vlasov-Poisson-Boltzmann system is often used to govern the motion of plasmas consisting of electrons and ions with disparate masses when collisions of charged particles are described by the two-component Boltzmann collision operator.…

Analysis of PDEs · Mathematics 2017-10-25 Renjun Duan , Shuangqian Liu

In this paper we prove new constructive coercivity estimates and convergence to equilibrium for a spatially non-homogeneous system of Landau equations with soft potentials. We show that the nonlinear collision operator conserves each…

Mathematical Physics · Physics 2017-07-07 Maria Gualdani , Nicola Zamponi

We consider the three-dimensional relativistic Vlasov-Maxwell-Boltzmann system, where the speed of light $c$ is an arbitrary constant no less than 1, and we establish global existence and nonlinear stability of the vacuum for small initial…

Analysis of PDEs · Mathematics 2026-02-06 Chuqi Cao , Xingyu Li

We consider a modified Boltzmann equation which contains, together with the collision operator, an additional drift term that is characterized by a matrix A. Furthermore, we consider a Maxwell gas, where the collision kernel has an angular…

Analysis of PDEs · Mathematics 2026-03-31 Bernhard Kepka

We obtain the global-in-time and uniform in Knudsen number $\epsilon$ energy estimate for the cutoff and non-cutoff scaled Vlasov-Maxwell-Boltzmann system for the soft potential. For the non-cutoff soft potential cases, our analysis relies…

Analysis of PDEs · Mathematics 2023-08-25 Ning Jiang , Yuanjie Lei

It is known that in the parameters range $-2 \leq \gamma <-2s$ spectral gap does not exist for the linearized Boltzmann operator without cutoff but it does for the linearized Landau operator. This paper is devoted to the understanding of…

Analysis of PDEs · Mathematics 2021-05-31 Duan Renjun , He Ling-Bing , Yang Tong , Yu-Long Zhou

Based on the recent study on the Vlasov-Poisson-Boltzmann system with general angular cutoff potentials [3, 4], we establish in this paper the global existence of classical solutions to the Cauchy problem of the Vlasov-Poisson-Landau system…

Analysis of PDEs · Mathematics 2011-12-15 Renjun Duan , Tong Yang , Huijiang Zhao

We prove the existence and exponential decay of global in time strong solutions to the Boltzmann equation without any angular cut-off, i.e., for long-range interactions. We consider perturbations of the Maxwellian equilibrium states and…

Analysis of PDEs · Mathematics 2016-02-22 Philip T. Gressman , Robert M. Strain

We introduce a fast Fourier spectral method for the spatially homogeneous Boltzmann equation with non-cutoff collision kernels. Such kernels contain non-integrable singularity in the deviation angle which arise in a wide range of…

Computational Physics · Physics 2020-10-28 Jingwei Hu , Kunlun Qi

It has long been suspected that the non-cutoff Boltzmann operator has similar coercivity properties as a fractional Laplacian. This has led to the hope that the homogenous Boltzmann equation enjoys similar regularity properties as the heat…

Analysis of PDEs · Mathematics 2017-07-24 Jean-Marie Barbaroux , Dirk Hundertmark , Tobias Ried , Semjon Vugalter

The Nordstr\"om-Vlasov system is a Lorentz invariant model for a self-gravitating collisionless gas. We establish suitable a-priori-bounds on the solutions of this system, which together with energy estimates and the smoothing effect of…

Mathematical Physics · Physics 2007-05-23 Simone Calogero , Gerhard Rein

In this paper, we consider the cutoff Boltzmann equation near Maxwellian, we proved the global existence and uniqueness for the cutoff Boltzmann equation in polynomial weighted space for all $\gamma \in (-3, 1]$. We also proved initially…

Analysis of PDEs · Mathematics 2022-07-22 Chuqi Cao

We present and analyze a new iterative solver for implicit discretizations of a simplified Boltzmann-Poisson system. The algorithm builds on recent work that incorporated a sweeping algorithm for the Vlasov-Poisson equations as part of…

Numerical Analysis · Mathematics 2020-09-15 Victor P. DeCaria , Cory D. Hauck , M. Paul Laiu

Motivated by the open problem of large-data global existence for the non-cutoff Boltzmann equation, we introduce a model equation that in some sense disregards the anisotropy of the Boltzmann collision kernel. We refer to this model…

Analysis of PDEs · Mathematics 2024-07-16 Stanley Snelson

We consider the Vlasov-Poisson-Landau system, a classical model for a dilute collisional plasma interacting through Coulombic collisions and with its self-consistent electrostatic field. We establish global stability and well-posedness near…

Analysis of PDEs · Mathematics 2022-01-19 Hongjie Dong , Yan Guo , Zhimeng Ouyang

In this paper, we study the Vlasov-Poisson-Fokker-Planck (VPFP) equation with a small collision frequency $0 < \nu \ll 1$, exploring the interplay between the regularity and size of perturbations in the context of the asymptotic stability…

Analysis of PDEs · Mathematics 2024-02-27 Jacob Bedrossian , Weiren Zhao , Ruizhao Zi

In this work, we study the Cauchy problem for the spatially homogeneous non-cutoff Boltzamnn equation with Maxwellian molecules. We prove that this Cauchy problem enjoys Gelfand-Shilov regularizing effect, that means the smoothing…

Analysis of PDEs · Mathematics 2015-11-18 Leo Glangetas , Hao-Guang Li , Chao-Jiang Xu

In this paper we provide a rigorous derivation of the inelastic linear Boltzmann equation, in the Boltzmann-Grad limit, from a dissipative, random, Lorentz gas in arbitrary dimensions d $\geq$ 2. Specifically, we consider a microscopic…

Mathematical Physics · Physics 2025-11-06 Théophile Dolmaire , Alessia Nota

This paper studies the nonlinear Landau damping on the torus $\mathbb{T}^d$ for the Vlasov-Poisson system with massless electrons (VPME). We consider solutions with analytic or Gevrey ($\gamma > 1/3$) initial data, close to a homogeneous…

Analysis of PDEs · Mathematics 2023-08-24 Antoine Gagnebin , Mikaela Iacobelli

We provide few remarks on nonlinear Landau damping that concerns decay of the electric field in the classical Vlasov-Poisson system near spatially homogenous equilibria. In particular, this includes the analyticity framework, \`a la…

Analysis of PDEs · Mathematics 2025-10-22 Toan T. Nguyen