Electromagnetic waves in an isotropic metachiral medium

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Authors: Fisanov V. V.

Annotation: Electromagnetic-field decomposition in a transparent metachiral bi-isotropic medium is performed onto two Beltrami fields, which are characterized by unequal positive wave numbers and common wave impedance. Sign of the wave impedance is determined by signs of permittivity and permeability of the medium. The condition of distinction between forward and backward circularly polarized eigenwaves is obtained.

Keywords: metachiral medium, dielectric permittivity, magnetic permeability, chirality parameter, electromagnetic beltrami fields, wave impedance, positive wave numbers, forward and backward plane waves