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Numerical simulation of the electromagnetic fields excited by loop antennas in plasma in the whistler frequency range

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Abstract

The electromagnetic fields excited by circular loop antennas in a magnetized plasma in the whistler frequency range are simulated by the finite-difference time-domain method. The spatial structure of quasi-monochromatic fields excited in the near- and far-field zones by an antenna with a harmonic current, as well as the dynamics of the electromagnetic field excited by an antenna with a current in the form of a single video pulse, is studied. Simulations performed for a uniform plasma and uniform ambient magnetic field agree well with the results of theoretical analysis and model laboratory experiments performed on large-scale plasma devices.

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Original Russian Text © V.A. Koldanov, S.V. Korobkov, M E. Gushchin, A.V. Kostrov, 2011, published in Fizika Plazmy, 2011, Vol. 37, No. 8, pp. 729–738.

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Koldanov, V.A., Korobkov, S.V., Gushchin, M.E. et al. Numerical simulation of the electromagnetic fields excited by loop antennas in plasma in the whistler frequency range. Plasma Phys. Rep. 37, 680–689 (2011). https://doi.org/10.1134/S1063780X11070105

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  • DOI: https://doi.org/10.1134/S1063780X11070105

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