Effective Dielectric Tensor for Electromagnetic Waves in Weakly Inhomogeneous Media

1972 ◽  
Vol 43 (3) ◽  
pp. 892-897 ◽  
Author(s):  
C. Vassallo
1984 ◽  
Vol 30 (1) ◽  
pp. 70-72 ◽  
Author(s):  
G V Jandieri ◽  
A I Gvelesiani ◽  
G Sh Kevanishvili

2000 ◽  
Vol 63 (3) ◽  
pp. 239-253 ◽  
Author(s):  
V. M. RYLYUK ◽  
I. M. TKACHENKO ◽  
J. ORTNER

The effect of Coulomb correlations on the spectrum of electromagnetic waves propagating in a non-ideal magnetized fully ionized hydrogen plasma is studied. We employ the dielectric tensor constructed by means of the classical theory of moments without using perturbation theory.


1985 ◽  
Vol 34 (2) ◽  
pp. 319-326 ◽  
Author(s):  
A. Orefice

A relativistic treatment of the plasma dispersion functions and of the dielectric tensor for electron cyclotron electromagnetic waves is given for non-thermal plasmas where the electron distribution function can be represented as a combination of Maxwellians with arbitrary drifts along the magnetic field.


Author(s):  
Yuri A. Godin ◽  
Boris Vainberg

We consider transverse propagation of electromagnetic waves through a two-dimensional composite material containing a periodic rectangular array of circular cylinders. Propagation of waves is described by the Helmholtz equation with the continuity conditions for the tangential components of the electric and magnetic fields on the boundaries of the cylinders. We assume that the cell size is small compared with the wavelength, but large compared with the radius a of the inclusions. Explicit formulae are obtained for asymptotic expansion of the solution of the problem in terms of the dimensionless magnitude q of the wavevector and radius a . This leads to explicit formulae for the effective dielectric tensor and the dispersion relation with the rigorously justified error of order O (( q 2  +  a 2 ) 5/2 ).


Open Physics ◽  
2008 ◽  
Vol 6 (3) ◽  
Author(s):  
Yury Kravtsov ◽  
Bohdan Bieg

AbstractThe main methods describing polarization of electromagnetic waves in weakly anisotropic inhomogeneous media are reviewed: the quasi-isotropic approximation (QIA) of geometrical optics method that deals with coupled equations for electromagnetic field components, and the Stokes vector formalism (SVF), dealing with Stokes vector components, which are quadratic in electromagnetic field intensity. The equation for the Stokes vector evolution is shown to be derived directly from QIA, whereas the inverse cannot be true. Derivation of SVF from QIA establishes a deep unity of these two approaches, which happen to be equivalent up to total phase. It is pointed out that in contrast to QIA, the Stokes vector cannot be applied for a polarization analysis of the superposition of coherent electromagnetic beams. Additionally, the ability of QIA to describe a normal modes conversion in inhomogeneous media is emphasized.


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