Dispersion equations in moving media
Abstract
The derivation of dispersion equations for electromagnetic waves in moving media is considered. Absorption is included. It becomes clear that conduction current or polarization current models lead to identical dispersion equations in moving media. The invariance of dispersion equations is defined and discussed. The question of velocity induced wave modes in moving media is considered, and conditions for appearance of these new modes are stated.
- Publication:
-
IEEE Proceedings
- Pub Date:
- April 1980
- Bibcode:
- 1980IEEEP..68..528C
- Keywords:
-
- Electrodynamics;
- Magnetohydrodynamic Flow;
- Plasma-Electromagnetic Interaction;
- Wave Dispersion;
- Constitutive Equations;
- Electromagnetic Absorption;
- Electromagnetic Wave Transmission;
- Plasma Frequencies;
- Polarization Characteristics;
- Communications and Radar