Magnetic Superlattice: Localized Magnetostatic Waves and Magnetic Polaritons

2003 ◽  
Vol 17 (15) ◽  
pp. 829-839
Author(s):  
R. T. Tagiyeva ◽  
M. Saglam
Keyword(s):  
Magnetic Material ◽  
Electromagnetic Wave ◽  
Dispersion Relation ◽  
Wave Theory ◽  
Frequency Region ◽  
Long Wavelength ◽  
Magnetostatic Waves ◽  
General Dispersion ◽  
Magnetic Polaritons ◽  
Magnetic Superlattice

Localized magnetostatic waves and magnetic polaritons at the junction of the magnetic material and magnetic superlattice composed of the alternating ferromagnetic or ferromagnetic and nonmagnetic layers are investigated in the framework of the electromagnetic wave theory in Voigt geometry. The general dispersion relation for localized magnetic polaritons and magnetostatic waves (MW) are derived in the long-wavelength limit. The dispersion curves and frequency region of the exsistence of the localized MW and magnetic polaritons are calculated numerically.

scholarly journals Modulational instability in the beat-wave generation

1988 ◽  
Vol 6 (2) ◽  
pp. 199-210 ◽  
Author(s):  
D. Pesme ◽  
S. J. Karttunen ◽  
R. R. E. Salomaa ◽  
G. Laval ◽  
N. Silvestre
Keyword(s):  
Dispersion Relation ◽  
Acoustic Waves ◽  
Wave Process ◽  
Short Pulse ◽  
Modulational Instability ◽  
Ion Acoustic Waves ◽  
Long Wavelength ◽  
Ion Acoustic ◽  
Large Growth ◽  
General Dispersion

The coupling of a large amplitude plasmon, generated by the beat-wave process, to ion acoustic waves may lead to modulational or decay instabilities, which are investigated here. A general dispersion relation obtainable from Zakharov equations predicts large growth rates (∼ωpi) for short wavelength modulations. To avoid these, extremely short pulse lengths are required in the beat-wave experiments. Due to the very long wavelength of the beat-plasmon, the decay instability is not likely below the ke V-temperatures.

CLASSICAL ELECTROMAGNETICALLY-INDUCED TRANSPARENCY-LIKE SWITCHING CONTROLLED BY POLARIZATION IN METAMATERIALS

2013 ◽  
Vol 22 (01) ◽  
pp. 1350004 ◽  
Author(s):  
XING RI JIN ◽  
JINWOO PARK ◽  
HAIYU ZHENG ◽  
YOUNGPAK LEE ◽  
JOO YULL RHEE ◽  
...  
Keyword(s):  
Electromagnetic Wave ◽  
Electromagnetically Induced Transparency ◽  
Microwave Frequency ◽  
Dielectric Substrate ◽  
Frequency Region ◽  
Ring Resonators ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Incident Electromagnetic Wave ◽  
Induced Transparency

The classical electromagnetically-induced transparency (EIT)-like switching in metamaterials was experimentally demonstrated in the microwave-frequency region. The metameterial unit cell consists of two identical split-ring resonators, which are arranged on both sides of a dielectric substrate with 90°-rotation asymmetry. In our scheme, the classical EIT-like switching can be achieved by changing the polarization of the incident electromagnetic wave.

Electromagnetic Wave Theory

2020 ◽  
pp. 363-388
Author(s):  
John R. Howell ◽  
M. Pinar Mengüç ◽  
Kyle Daun ◽  
Robert Siegel
Keyword(s):  
Electromagnetic Wave ◽  
Wave Theory
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