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相关论文: Strichartz estimates for Maxwell equations in medi…

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The semilinear wave equation on the (outer) Schwarzschild manifold is studied. We prove local decay estimates for general (non-radial) data, deriving a-priori Morawetz type estimates.

广义相对论与量子宇宙学 · 物理学 2007-05-23 P. Blue , A. Soffer

We study measures and point configurations optimizing energies based on multivariate potentials. The emphasis is put on potentials defined by geometric characteristics of sets of points, which serve as multi-input generalizations of the…

经典分析与常微分方程 · 数学 2023-03-28 Dmitriy Bilyk , Damir Ferizović , Alexey Glazyrin , Ryan W. Matzke , Josiah Park , Oleksandr Vlasiuk

We present an efficient and robust semi-analytical formulation to compute the electric potential due to arbitrary-located point electrodes in three-dimensional cylindrically stratified media, where the radial thickness and the medium…

计算物理 · 物理学 2015-06-22 Haksu Moon , Fernando L. Teixeira , Burkay Donderici

We study the hyperboloidal initial value problem for the one-dimensional wave equation perturbed by a smooth potential. We show that the evolution decomposes into a finite-dimensional spectral part and an infinite-dimensional radiation…

偏微分方程分析 · 数学 2019-12-17 Roland Donninger , Irfan Glogić

We consider the rate of convergence of solutions of spatially inhomogenous Boltzmann equations, with hard sphere potentials, to some equilibriums, called Maxwellians. Maxwellians are spatially homogenous static Maxwell velocity…

偏微分方程分析 · 数学 2019-08-26 Zhou Gang

Maxwell's equations are solved when the amplitude and phase of the electromagnetic field are determined at all points in space. Generally, the Stokes parameters can only capture the amplitude and polarization state of the electromagnetic…

光学 · 物理学 2024-05-14 Jorge Olmos-Trigo

We provide reversed Strichartz estimates for the shifted wave equations on non-trapping asymptotically hyperbolic manifolds using cluster estimates for spectral projectors proved previously in such generality. As a consequence, we solve a…

偏微分方程分析 · 数学 2021-08-27 Yannick Sire , Christopher D. Sogge , Chengbo Wang , Junyong Zhang

For an isotropic and homogeneous nonlinear left-handed materials, for which the effective medium approximation is valid, Maxwell's equations for electric and magnetic fields lead naturally, within the slowly varying envelope approximation,…

斑图形成与孤子 · 物理学 2010-03-09 N. Lazarides , G. P. Tsironis

Applying the spectral measure estimates obtained in the author's joint work with A. Hassell, we establish global-in-time Strichartz estimates without loss via truncated / microlocalized dispersive estimates as well as energy estimates.

偏微分方程分析 · 数学 2015-07-21 Xi Chen

We consider the energy critical nonlinear Schr\"odinger equation on periodic domains of the form R^m x T^{4-m} with m=0,1,2,3. Assuming that a certain L^4 Strichartz estimate holds for solutions to the corresponding linear Schr\"odinger…

偏微分方程分析 · 数学 2014-05-05 Sebastian Herr , Daniel Tataru , Nikolay Tzvetkov

This work deals with the convergence analysis of parabolic perturbations to quasilinear wave equations on smooth bounded domains. In particular, we consider wave equations with nonlinearities of quadratic type, which cover the two classical…

偏微分方程分析 · 数学 2021-09-29 Barbara Kaltenbacher , Vanja Nikolić

A self-consistent extended Einstein-Maxwell model for relativistic non-stationary polarizable-magnetizable anisotropic media is presented. Based on the analogy with relativistic extended irreversible (transient) thermodynamics, the extended…

广义相对论与量子宇宙学 · 物理学 2008-11-26 A. B. Balakin

This paper is concerned with weak solutions {e,h} in L^2 x L^2 of the time-dependent Maxwell equations. We show that these solutions obey an energy equality. Our method of proof is based on the approximation of {e,h} by its Steklov mean…

偏微分方程分析 · 数学 2021-05-18 Joachim Naumann

The Einstein-Maxwell equations with anisotropic pressures and electromagnetic field are studied with a polytropic equation of state. New exact solutions to the field equations are generated in terms of elementary functions. Special cases of…

广义相对论与量子宇宙学 · 物理学 2015-06-17 P. Mafa Takisa , S. D. Maharaj

The angular part of the Faddeev equations is solved analytically for s-states for two-body square-well potentials. The results are, still analytically, generalized to arbitrary short-range potentials for both small and large distances. We…

核理论 · 物理学 2009-10-30 A. S. Jensen , E. Garrido , D. V. Fedorov

We prove the existence of a $L^2$-normalized solitary wave solution for the Maxwell-Dirac equations in (3+1)-Minkowski space. In addition, for the Coulomb-Dirac model, describing fermions with attractive Coulomb interactions in the…

偏微分方程分析 · 数学 2020-10-28 Margherita Nolasco

The Maxwell equations for the electromagnetic potential, supplemented by the Lorenz gauge condition, are decoupled and solved exactly in de Sitter space-time studied in static spherical coordinates. There is no source besides the…

广义相对论与量子宇宙学 · 物理学 2009-12-17 Donato Bini , Giampiero Esposito , Roberto Valentino Montaquila

The features of propagation of intense waves are of great interest for theory and experiment in electrodynamics and acoustics. The behavior of nonlinear waves in a bounded volume is of especial importance and, at the same time, is an…

经典物理 · 物理学 2013-06-05 E. Yu. Petrov , A. V. Kudrin

For the linear damped wave equation (DW), the $L^p$-$L^q$ type estimates have been well studied. Recently, Watanabe showed the Strichartz estimates for DW when $d=2,3$. In the present paper, we give Strichartz estimates for DW in higher…

偏微分方程分析 · 数学 2019-10-29 Takahisa Inui

In the recent decades, it became more and more popular for engineers, physicists, and mathematicians alike to put the Maxwell equations into a generally covariant form. This is particularly useful for understanding the fundamental structure…

经典物理 · 物理学 2016-03-29 Friedrich W. Hehl , Yakov Itin , Yuri N. Obukhov