Generalized dielectric permittivity tensor
The authors deal with the question of what is to be done with the formalism of the electrodynamics of dispersive media based on the introduction of dielectric-permittivity tensors for purely harmonic fields when Voigt waves and waves of more general form exist. An attempt is made to broaden and generalize the formalism to take into account dispersion of waves of the given type. In dispersive media, the polarization, magnetization, and conduction current-density vectors of point and time are determined by the values of the electromagnetic field vectors in the vicinity of this point (spatial dispersion) in the preceding instants of time (time dispersion). The dielectric-permittivity tensor and other tensors of electrodynamic parameters of the medium are introduced in terms of a set of evolution operators and not the set of harmonic function. It is noted that a magnetic-permeability tensor and an elastic-modulus tensor may be introduced for an acoustic field in dispersive anisotropic media with coupling equations of general form.
- OSTI ID:
- 5399878
- Journal Information:
- J. Appl. Spectrosc. (Engl. Transl.); (United States), Vol. 43:3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRYSTALS
DIELECTRIC PROPERTIES
PERMITTIVITY
REFRACTIVITY
LASER RADIATION
TENSORS
WAVE PROPAGATION
ACOUSTICS
FOURIER TRANSFORMATION
MONOCHROMATIC RADIATION
NONDESTRUCTIVE TESTING
OPTICAL DISPERSION
POLARIZED BEAMS
SPIN ORIENTATION
VECTORS
VOIGT EFFECT
WAVE EQUATIONS
BEAMS
DIFFERENTIAL EQUATIONS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EQUATIONS
INTEGRAL TRANSFORMATIONS
MAGNETO-OPTICAL EFFECTS
MATERIALS TESTING
OPTICAL PROPERTIES
ORIENTATION
PARTIAL DIFFERENTIAL EQUATIONS
PHYSICAL PROPERTIES
RADIATIONS
TESTING
TRANSFORMATIONS
360603* - Materials- Properties
640301 - Atomic
Molecular & Chemical Physics- Beams & their Reactions