Lokk Edwin H., Lugovskoi A.V., Gerus Sergey V.
Relation between the Poynting and Group Velocity Vectors of Electromagnetic Waves in a Bi-Gyrotropic Medium.
Journal of Communications Technology and Electronics
, 2021
, 66 (7).
С. 834-843.
ISSN 1064-2269
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Аннотация
Analytical formulas are obtained for all components of the high-frequency field, Poynting vector, and group velocity vector of electromagnetic waves propagating in an arbitrary direction in an unbounded bi-gyrotropic medium described by the Hermitian permittivity and permeability tensors. It is proven that the corresponding components of vectors and are proportional to each other (therefore, these vectors are parallel) and the ratio between these components is the volume density of the wave energy. The change in the absolute value and orientation of vector and orientation of vector
depending on the orientation of the wave vector for different types of electromagnetic waves propagating in a ferromagnetic medium (a particular case of a bi-gyrotropic medium) is calculated. It is found that vectors and are always identically oriented for waves of all types in a ferromagnetic medium.
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Relation between the Poynting and Group Velocity Vectors of Electromagnetic Waves in a Bi-Gyrotropic Medium. (deposited 31 Окт 2023 13:46)
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