Essential spectrum for dissipative Maxwell equations in domains with cylindrical ends
Essential spectrum for dissipative Maxwell equations in domains with cylindrical ends
复制标题
圆柱端域中耗散麦克斯韦方程的基本谱
DOI:
10.1016/j.jmaa.2024.128174
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发表时间:
2024
影响因子:
1.3
通讯作者:
Ferraresso F
中科院分区:
文献类型:
--
作者:
Ferraresso F
We consider the Maxwell equations with anisotropic coefficients and non-trivial conductivity in a domain with finitely many cylindrical ends. We assume that the conductivity vanishes at infinity and that the permittivity and permeability tensors converge to non-constant matrices at infinity, which coincide with a positive real multiple of the identity matrix in each of the cylindrical ends. We establish that the essential spectrum of Maxwell system can be decomposed as the union of the essential spectrum of a bounded multiplication operator acting on gradient fields, and the union of the essential spectra of the Maxwell systems obtained by freezing the coefficients to their different limiting values along the several different cylindrical ends of the domain.
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DOI:
10.1016/j.matpur.2022.12.004
发表时间:
2023
期刊:
Journal de Mathématiques Pures et Appliquées
影响因子:
--
作者:
Bögli S
通讯作者:
Bögli S
DOI:
10.5802/aif.1455
发表时间:
1995
期刊:
Annales de l'Institut Fourier
影响因子:
--
作者:
T. Christiansen;M. Zworski
通讯作者:
M. Zworski
影响因子:
2.4
作者:
Ferraresso F
通讯作者:
Ferraresso F
影响因子:
--
作者:
B. Plamenevskii;A. Poretskii;O. Sarafanov
通讯作者:
O. Sarafanov
影响因子:
2.9
作者:
C. Weber;P. Werner
通讯作者:
C. Weber;P. Werner