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Of dipole antennas in a magnetized plasma in the resonance frequency band

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Radiophysics and Quantum Electronics Aims and scope

An Erratum to this article was published on 10 December 2013

We consider characteristics of slow quasielectrostatic waves excited in the resonance frequency band by a source whose dimensions are much less than the wavelength of the electromagnetic wave. We primarily focus on the analysis of the radiation of a harmonic wave in pulsed mode by a dipole source. Firstly, we study the influence of electromagnetic, dispersive, and collisional corrections in the dispersion relation on the field shape. Secondly, we analyze the field structure near the resonance cone. In particular, the effects of the group delay and anomalous spreading of the wave are considered. The developed theory is used to interpret the “OEDIPUS-C” experiment. For example, a delay of 10−4 s and a significant (severalfold) spreading of the pulse were observed at a distance of about ten wavelengths. Finally, some aspects of the inverse problem of electrodynamics are examined. Namely, the role of the smoothness of the antenna charge distribution in the field structure formation is shown and a class of smooth charge distributions creating a given field structure is found.

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Authors and Affiliations

  1. Institute of Applied Physics, Nizhny Novgorod, Russia

    E. A. Shirokov & Yu. V. Chugunov

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  1. E. A. Shirokov
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  2. Yu. V. Chugunov
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Correspondence to Yu. V. Chugunov.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 54, No. 7, pp. 510–521, July 2011.

An erratum to this article is available at http://dx.doi.org/10.1007/s11141-013-9451-z.

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Shirokov, E.A., Chugunov, Y.V. Of dipole antennas in a magnetized plasma in the resonance frequency band. Radiophys Quantum El 54, 463–473 (2011). https://doi.org/10.1007/s11141-011-9306-4

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  • DOI: https://doi.org/10.1007/s11141-011-9306-4

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