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- W2101844218 abstract "The analysis of waves propagation in homogeneous anisotropic media constitutes a classical topic in every field of science and has been preferentially discussed using locally plane waves. Specific physical quantities and their behaviour laws are really what make the difference. Although the use of Fourier transform enables an approach formally analogous to that of plane waves in linear evolution equations, its application to constitutive equations of inhomogeneous media involves cumbersome convolution products that mask the solution. This paper proposes a polar representation (amplitude and phase) of electromagnetic fields, that appears to be more suitable and provides two sets of equations that can be easily decoupled, reducing the problem to the superposition of two simpler ones. The procedure is based upon the following steps: a) The identification of dispersion equation with Hamilton-Jacobi equation yields the evolution laws of rays and/or wave-fronts. b) From the knowledge of tensor ¯ e(¯ r )a t any point ¯ r of the wave front (or the ray), the use of the intrinsic character (conjugation relations) of fields, introduced by the authors in a previous work, together with ray velocity or phase gradient (found in the first step) the remaining fields are immediately obtained." @default.
- W2101844218 created "2016-06-24" @default.
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- W2101844218 date "2014-01-01" @default.
- W2101844218 modified "2023-09-27" @default.
- W2101844218 title "ON INHOMOGENEOUS METAMATERIALS MEDIA: A NEW ALTERNATIVE METHOD FOR ANALYSIS OF ELECTROMAGNETIC FIELDS PROPAGATION" @default.
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- W2101844218 doi "https://doi.org/10.2528/pier14070306" @default.
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