Dispersion relations 5 Electrons 4 Quantum theory 4 Article 3 Electric fields 3 Electromagnetic fields 3 Electromagnetic wave propagation in plasma 3 Metamaterials 3 Metasurface 3 Antennas 2 Communication channels (information theory) 2 Dispersion (waves) 2 Eigenvalues and eigenfunctions 2 Electrodes 2 Electromagnetic simulation 2 Electromagnetic waves 2 Electromagnetics 2 Finite element method 2 First principles 2 Magnetic fields 2 Magnetic-field 2 Maxwell equations 2 Millimeter waves 2 Nano scale 2 Ray tracing 2 Sub-wavelength 2 Tera Hertz 2 Topology 2 electromagnetism 2 power quality 2