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An explicit solution of the stationary one dimensional half-space boundary value problem for the linear Boltzmann equation is presented in the presence of an arbitrarily high constant external field. The collision kernel is assumed to be…

统计力学 · 物理学 2025-09-08 C. Dalitz , E. H. de Groot

The energy functional, the governing partial differential equation(s) (PDE), and the boundary conditions need to be consistent with each other in a modeling system. In electrolyte solution study, people usually use a free energy form of an…

软凝聚态物质 · 物理学 2017-02-07 Xuejiao Liu , Yu Qiao , Benzhuo Lu

In this paper, we present a parallel higher-order boundary integral method to solve the linear Poisson-Boltzmann (PB) equation. In our method, a well-posed boundary integral formulation is used to ensure the fast convergence of Krylov…

数值分析 · 数学 2015-06-12 Weihua Geng

We study the nonlinear steady Boltzmann equation in the half space, with phase transition and Dirichlet boundary condition. In particular, we study the regularity of the solution to the half-space problem in the situation that the gas is in…

偏微分方程分析 · 数学 2025-02-24 Hongxu Chen

We study the existence of large or boundary blow-up solutions to semilinear equations involving the Finsler p-Laplacian on bounded domains with sufficiently smooth boundaries. We establish a Keller-Osserman-type condition that ensures the…

偏微分方程分析 · 数学 2026-05-22 N N Dattatreya

We study the asymptotic behaviour, as $p\to 1^{+}$, of the solutions of the following inhomogeneous Robin boundary value problem: \begin{equation} \label{pbabstract} \tag{P} \left\{\begin{array}{ll} \displaystyle -\Delta_p u_p = f &…

偏微分方程分析 · 数学 2022-06-08 Francesco Della Pietra , Francescantonio Oliva , Sergio Segura de León

In the paper, we establish the existence of steady boundary layer solution of Boltzmann equation with specular boundary condition in $L^2_{x,v}\cap L^\infty_{x,v}$ in half-space. The uniqueness, continuity and exponential decay of the…

偏微分方程分析 · 数学 2020-08-18 Feimin Huang , Zaihong Jiang , Yong Wang

We study boundary value problems for bounded uniform domains in $\mathbb{R}^n$, $n\geq 2$, with non-Lipschitz (and possibly fractal) boundaries. We prove Poincar\'e inequalities with trace terms and uniform constants for uniform…

偏微分方程分析 · 数学 2024-10-01 Michael Hinz , Anna Rozanova-Pierrat , Alexander Teplyaev

A basic question about regularity of Boltzmann solutions in the presence of physical boundary conditions has been open due to characteristic nature of the boundary as well as the non-local mixing of the collision operator. Consider the…

偏微分方程分析 · 数学 2017-01-31 Yan Guo , Chanwoo Kim , Daniela Tonon , Ariane Trescases

In this article we study the well-posedness of the Boltzmann equation near its hydrodynamic limit on a bounded domain. We consider two types of domains, namely $C^2$ domains with Maxwell boundary conditions where the accommodation…

偏微分方程分析 · 数学 2025-10-16 Richard Medina Rodriguez

We present an extension to the Poisson-Boltzmann model where the dipolar features of solvent molecules are taken explicitly into account. The formulation is derived at mean-field level and can be extended to any order in a systematic…

软凝聚态物质 · 物理学 2012-01-31 Ariel Abrashkin , David Andelman , Henri Orland

We use the functional integral technique of Edwards and Lenard to solve the statistical mechanics of a one dimensional Coulomb gas with boundary interactions leading to surface charging. The theory examined is a one dimensional model for a…

统计力学 · 物理学 2009-10-30 D. S. Dean , R. R. Horgan , D. Sentenac

In the paper, we develop spectral theory to analyze the sharp asymptotic behavior of solutions to the Boltzmann equation around global Maxwellians in a three-dimensional infinite layer $\mathbb{R}^2\times (-1,1)$. The isothermal diffuse…

偏微分方程分析 · 数学 2025-11-26 Hongxu Chen , Renjun Duan , Shuangqian Liu

We prove the acoustic limit from the Boltzmann equation with hard sphere collisions and the Maxwell reflection boundary condition. Our construction of solutions include the interior fluid part and Knudsen-viscous coupled boundary layers.…

偏微分方程分析 · 数学 2025-01-16 Ning Jiang , Yulong Wu

We solve the one-dimensional Schr\"odinger equation for the bound states of two potential models with a rich structure as shown by their "spectral phase diagram". These potentials do not belong to the well-known class of exactly solvable…

量子物理 · 物理学 2022-09-09 A. D. Alhaidari , I. A. Assi

In this paper, we consider a semiconducting device with an active zone made of a single-layer material. The associated Poisson equation for the electrostatic potential (to be solved in order to perform self-consistent computations) is…

数值分析 · 数学 2023-02-01 Clément Jourdana , Paola Pietra

The computational study of chemical reactions in complex, wet environments is critical for applications in many fields. It is often essential to study chemical reactions in the presence of applied electrochemical potentials, taking into…

材料科学 · 物理学 2016-01-20 G. Fisicaro , L. Genovese , O. Andreussi , N. Marzari , S. Goedecker

In this paper, we study the Dirichlet boundary value problem of steady-state relativistic Boltzmann equation in half-line with hard potential model, given the data for the outgoing particles at the boundary and a relativistic global…

偏微分方程分析 · 数学 2024-11-12 Yi Wang , Li Li , Zaihong Jiang

Thermodynamic properties of charge-stabilised colloidal suspensions are commonly modeled by implementing the mean-field Poisson-Boltzmann (PB) theory within a cell model. This approach models a bulk system by a single macroion, together…

软凝聚态物质 · 物理学 2015-05-18 Alan R. Denton

We study the regularity of solutions of the Poisson equation with Dirichlet, Neumann and mixed boundary values in polyhedral cones $K\subset \mathbb{R}^3$ in the specific scale $\ B^{\alpha}_{\tau,\tau}, \…

偏微分方程分析 · 数学 2021-03-11 Cornelia Schneider , Flóra Orsolya Szemenyei