dielectric permittivity tensor
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2020 ◽  
Vol 35 (03) ◽  
pp. 2040012 ◽  
Author(s):  
N. Emelianova ◽  
I. V. Fialkovsky ◽  
N. Khusnutdinov

The Casimir energy is constructed for a system consisting of two semi-infinite slabs of anisotropic material. Each of them is characterized by bulk complex dielectric permittivity tensor and surface conductivity on the free boundary. We found general form of the scattering matrix and Fresnel coefficients for each part of the system by solving Maxwell equations in the anisotropic media.



2017 ◽  
Vol 18 (2) ◽  
pp. 236-242
Author(s):  
I.R. Zachek ◽  
R.R. Levitskii ◽  
A.S. Vdovych

Dynamic model of deformed quasi-one-dimensional ferroelectrics with hydrogen bonds is proposed. On the basis of this model within the two-particle cluster approximation with taking into account short-range and long-range interactions and strains εi and ε5 in the frames of Glauber method a dynamic dielectric permittivity of mechanically clamped crystal is calculated. Hydrostatic pressure effect on temperature and frequency dependences of the components of dynamic dielectric permittivity tensor of GPI ferroelectric is investigated.



2016 ◽  
Vol 10 (1) ◽  
pp. 36-45
Author(s):  
Jin Hongying

The paper applies Bolzmann equation and gas molecular dynamics theory and analyzes the motion state of plasma internal particle and electromagnetic field distribution around antenna through modeling, It based on the cylindrical unipolar surface wave plasma antenna structure. Modeling calculation results of plasma antenna local dielectric tensor shows that the model method can reflect accurate dielectric relatively especially its each component of tensor changes. It is an exact method that calculate dielectric tensor of cylindrical surface wave excited plasma antenna.





2005 ◽  
Vol 11 (1-2) ◽  
pp. 63-67
Author(s):  
Yu.O. Klymenko ◽  
◽  
I.A. Kremenetsky ◽  
O.K. Cheremnykh ◽  
◽  
...  


2002 ◽  
Vol 737 ◽  
Author(s):  
Anatoliy O. Pinchuk

ABSRTACT:An effective nonlinear dielectric permittivity of a heterogeneous composite structure consisting of coated ellipsoidal nonlinear nanoparticles embedded in a linear host medium has been theoretically studied. An expression for the effective dielectric permittivity tensor of such a system has been derived following the Clausius-Mossotti approximation. The conditions for the existence of electromagnetic bistability phenomenon in a single coated ellipsoidal particle with a nonlinear core and a metallic shell have been obtained. The numerical results show more prominent bistability phenomenon in more dense suspensions of nonlinear heterogeneous ellipsoids.



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