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Coupled-mode systems are used in physical literature to simplify the nonlinear Maxwell and Gross-Pitaevskii equations with a small periodic potential and to approximate localized solutions called gap solitons by analytical expressions…

偏微分方程分析 · 数学 2009-11-13 Dmitry Pelinovsky , Guido Schneider

We consider the cubic nonlinear Schr\"{o}dinger equation in two space dimensions with an attractive potential. We study the asymptotic stability of the nonlinear bound states, i.e. periodic in time localized in space solutions. Our result…

偏微分方程分析 · 数学 2015-06-26 E. Kirr , A. Zarnescu

We analyze a phase-field system where the energy balance equation is linearly coupled with a nonlinear and nonlocal ODE for the order parameter $\chi$. The latter equation is characterized by a space convolution term which models particle…

动力系统 · 数学 2011-08-02 Maurizio Grasselli

Based on the analysis of biquaternion quadratic forms of field, it is shown that Maxwell equations arise as a consequence of the principle of conservation of the energy-momentum flow of field in space-time. It turns out that this principle…

经典物理 · 物理学 2024-03-05 Sergey Y. Kotkovskiy

A new representation for solutions of Maxwell's equations is derived. Instead of being expanded in plane waves, the solutions are given as linear superpositions of spherical wavelets dynamically adapted to the Maxwell field and…

数学物理 · 物理学 2009-11-07 Gerald Kaiser

This paper is concerned with the dynamics of an infinite-dimensional gradient system under small almost periodic perturbations. Under the assumption that the original autonomous system has a global attractor given as the union of unstable…

动力系统 · 数学 2011-03-15 Bixiang Wang

In this text, the filtering unitary group method developed, among others, by S. Schochet is adapted to prove the existence and well-posedness of modulation equations describing the incompressible limit of the Euler-Maxwell Two-Fluid (EMTF)…

偏微分方程分析 · 数学 2025-11-24 Nicolas Besse , Christophe Cheverry

This paper is concerned with the long-time behavior of solutions for the three dimensional primitive equations of large-scale ocean and atmosphere dynamics in an unbounded domain. Since the Sobolev embedding is no longer compact in an…

偏微分方程分析 · 数学 2016-12-09 Bo You , Fang Li

In this article we consider the linear inelastic Boltzmann equation in presence of a uniform and fixed gravity field, in the case of Maxwell molecules. We first obtain a well-posedness result in the space of finite, non-negative Radon…

偏微分方程分析 · 数学 2025-10-09 Théophile Dolmaire , Nicola Miele , Alessia Nota

We consider a class of nonlinear Fokker-Planck equations describing the dynamics of an infinite population of units within mean-field interaction. Relying on a slow-fast viewpoint and on the theory of approximately invariant manifolds we…

偏微分方程分析 · 数学 2021-07-07 Eric Luçon , Christophe Poquet

Two fundamental models in plasma physics are given by the Vlasov-Maxwell-Boltzmann system and the compressible Euler-Maxwell system which both capture the complex dynamics of plasmas under the self-consistent electromagnetic interactions at…

偏微分方程分析 · 数学 2023-06-02 Renjun Duan , Dongcheng Yang , Hongjun Yu

In this paper we study the Cauchy problem associated to the Maxwell-Schr\"odinger system with a defocusing pure-power non-linearity. This system has many applications in physics, for instance in the description of a charged non-relativistic…

偏微分方程分析 · 数学 2021-07-06 Paolo Antonelli , Pierangelo Marcati , Raffaele Scandone

We consider the Cahn-Hilliard equation on manifolds with conical singularities and prove existence of global attractors in higher order Mellin-Sobolev spaces with asymptotics. We also show convergence of solutions in the same spaces to an…

偏微分方程分析 · 数学 2024-03-22 Pedro T. P. Lopes , Nikolaos Roidos

A simple algebraic procedure is described for deriving Maxwell-Bloch-type equations from single-atom cavity quantum electrodynamics (cavity QED) master equations via orthogonal projection onto a manifold of semiclassical states. In…

量子物理 · 物理学 2009-11-13 Hideo Mabuchi

We consider damped driven Maxwell-Bloch equations which are finite-dimensional approximation of the damped driven Maxwell-Schr\"odinger equations. The equations describe a single-mode Maxwell field coupled to a two-level molecule. Our main…

偏微分方程分析 · 数学 2026-04-01 . I. Komech , E. A. Kopylova

A method of solving Maxwell equations in a vicinity of a multipole particle (moving along an arbitrary trajectory) is proposed. The method is based on a geometric construction of a trajectory-adapted coordinate system, which simplifies…

经典物理 · 物理学 2009-04-18 Jerzy Kijowski , Piotr Podles

Motivated by Duan et al.[Global Mild Solutions of the Landau and Non-Cutoff Boltzmann Equations, Comm. Pure Appl. Math., 74(5), 932-1020.], the global existence of mild solutions to the Vlasov-Maxwell-Fokker-Planck system near a global…

偏微分方程分析 · 数学 2023-06-08 Yingzhe Fan , Yuanjie Lei

The magnetotelluric approximation of the Maxwell's equations is used to model the propagation of low frequency electro-magnetic waves in the Earth's subsurface, with the purpose of reconstructing the presence of mineral or oil deposits. We…

数值分析 · 数学 2019-03-12 Fabrizio Donzelli , Martin J. Gander , Ronald D. Haynes

In this work, we consider the Vlasov-Poisson-Boltzmann system without angular cutoff and the Vlasov-Poisson-Landau system with Coulomb potential near a global Maxwellian $\mu$. We establish the global existence, uniqueness and large time…

偏微分方程分析 · 数学 2024-05-29 Chuqi Cao , Dingqun Deng , Xingyu Li

We consider damped driven Maxwell-Bloch equations for a single-mode Maxwell field coupled to a two-level molecule. The equations are used for semiclassical description of the laser action. Our main result is the construction of solutions…

偏微分方程分析 · 数学 2026-03-31 A. I. Komech , E. A. Kopylova