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Antiferromagnetic material with the magnetoelectric effect as an example of a left-handed medium

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Abstract

The propagation of electromagnetic waves in an antiferromagnetic material with the magnetoelectric effect is theoretically studied. The frequency dependences of the wavenumbers, dynamical permeability and permittivity, and reflection coefficient of electromagnetic waves for various energy parameters of the antiferromagnetic material have been obtained. It has been shown that there is a frequency range where the dynamical permeability and permittivity, as well as one of the wavenumbers, are simultaneously negative in the antiferromagnetic material with the magnetoelectric effect. In this case, the antiferromagnetic material is an example of a so-called left-handed medium. The reflection coefficient of electromagnetic waves from the surface of the antiferromagnetic material decreases anomalously in this frequency range.

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Authors and Affiliations

  1. Chelyabinsk State University, Chelyabinsk, 454021, Russia

    V. D. Buchel’nikov & V. V. Rive

Authors
  1. V. D. Buchel’nikov
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  2. V. V. Rive
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Original Russian Text © V.D. Buchel’nikov, V.V. Rive, 2006, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2006, Vol. 84, No. 7, pp. 470–474.

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Buchel’nikov, V.D., Rive, V.V. Antiferromagnetic material with the magnetoelectric effect as an example of a left-handed medium. Jetp Lett. 84, 395–399 (2006). https://doi.org/10.1134/S0021364006190088

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  • DOI: https://doi.org/10.1134/S0021364006190088

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