arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2103.16951math.AP
收藏

部分各向异性情况下时谐Maxwell方程的预解估计

Resolvent estimates for time-harmonic Maxwell's equations in the partially anisotropic case

Robert Schippa

摘要:

我们证明了预解估计在$L^p$ -空间的时间谐波麦克斯韦方程组在两个空间维度和三维的部分各向异性的情况下。在二维情况下,估计值一直到端点都是尖锐的。我们考虑各向异性的介电常数和磁导率,这两者都是时间无关的和空间均匀的。为了证明,我们对角化的时间谐波麦克斯韦方程组的方程涉及半拉普拉斯算子。我们应用这些估计来推断$L^p$ -空间的交叉点的极限吸收原理,并局部化由潜在的扰动的特征值。

英文摘要:

We prove resolvent estimates in $L^p$-spaces for time-harmonic Maxwell's equations in two spatial dimensions and in three dimensions in the partially anisotropic case. In the two-dimensional case the estimates are sharp up to endpoints. We consider anisotropic permittivity and permeability, which are both taken to be time-independent and spatially homogeneous. For the proof we diagonalize time-harmonic Maxwell's equations to equations involving Half-Laplacians. We apply these estimates to infer a Limiting Absorption Principle in intersections of $L^p$-spaces and to localize eigenvalues for perturbations by potentials.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑