scholarly journals Depolarization Effects of Incoherently Scattered Electromagnetic Waves by Inhomogeneous Magnetized Plasma Slab

2011 ◽  
Vol 03 (11) ◽  
pp. 471-478 ◽  
Author(s):  
George Jandieri ◽  
Akira I shimaru ◽  
Vakhtang Jandieri
2019 ◽  
Vol 8 (2) ◽  
pp. 77-84
Author(s):  
G. Jandieri ◽  
A. Ishimaru ◽  
J. Pistora ◽  
M. Lesnak

Second order statistical moments of scattered electromagnetic waves in the turbulent magnetized plasma slab with electron density fluctuations are calculated applying the modify stochastic smooth perturbation theory and the boundary conditions. The obtained results are valid for arbitrary correlation function of electron density fluctuations. Stokes parameters are analyzed both analytically and numerically. The theory predicts that depolarization effect caused by second Stokes parameter may be important in scintillation effects. Numerical calculations are carried out for new spectral function of electron density fluctuations containing both anisotropic Gaussian and power-law spectral functions using the experimental data. Polarimetric parameters are calculated for different anisotropy factor and inclination angle of elongated small-scale irregularities with respect to the magnetic lines of forces. The relationship between the scintillations and the polarimetric parameters is important.


Optik ◽  
2021 ◽  
pp. 167566
Author(s):  
Muhammad Usman Shahid ◽  
Abdul Ghaffar ◽  
Majeed A.S. Alkanhal ◽  
Yasin Khan

1990 ◽  
Vol 43 (2) ◽  
pp. 165-172 ◽  
Author(s):  
V. N. Pavlenko ◽  
V. G. Panchenko

Fluctuations and scattering of transverse electromagnetic waves by density fluctuations in a magnetized plasma in the presence of parametric decay of the pump wave are investigated. The spectral density of electron-density fluctuations is calculated. It is shown that the differential scattering cross-section has sharp maxima at the ion-acoustic and lower-hybrid frequencies when parametric decay of the lower-hybrid pump wave occurs. We note that scattering at the ion-acoustic frequency is dominant. When the pump-wave amplitude tends to the threshold strength of the electric field the scattering cross-section increases anomalously, i.e. there is critical opalescence.


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