Research

Relativistic runaway breakdown in low-frequency radio


Reference:

Fullekrug, M., Roussel-Dupre, R., Symbalisty, E. M. D., Chanrion, O., Odzimek, A., van der Velde, O. and Neubert, T., 2010. Relativistic runaway breakdown in low-frequency radio. Journal of Geophysical Research, 115 (A1), A00E09.

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    Official URL:

    http://dx.doi.org/10.1029/2009JA014468

    Abstract

    The electromagnetic radiation emitted by an electron avalanche beam resulting from relativistic runaway breakdown within the Earth's atmosphere is investigated. It is found from theoretical modeling with a computer simulation that the electron beam emits electromagnetic radiation which is characterized by consecutive broadband pulses in the low-frequency radio range from similar to 10 to 300 kHz at a distance of similar to 800 km. Experimental evidence for the existence of consecutive broadband pulses is provided by low-frequency radio observations of sprite-producing lightning discharges at a distance of similar to 550 km. The measured broadband pulses occur similar to 4-9 ms after the sprite-producing lightning discharge, they exhibit electromagnetic radiation which mainly spans the frequency range from similar to 50 to 350 kHz, and they exhibit complex waveforms without the typical ionospheric reflection of the first hop sky wave. Two consecutive pulses occur similar to 4.5 ms and similar to 3 ms after the causative lightning discharge and coincide with the sprite luminosity. It is concluded that relativistic runaway breakdown within the Earth's atmosphere can emit broadband electromagnetic pulses and possibly generates sprites. The source location of the broadband pulses can be determined with an interferometric network of wideband low-frequency radio receivers to lend further experimental support to the relativistic runaway breakdown theory.

    Details

    Item Type Articles
    CreatorsFullekrug, M., Roussel-Dupre, R., Symbalisty, E. M. D., Chanrion, O., Odzimek, A., van der Velde, O. and Neubert, T.
    DOI10.1029/2009JA014468
    DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
    Research CentresCentre for Space, Atmospheric and Oceanic Science
    Publisher Statementfullekrug-jgr10.pdf: "AGU allows authors to deposit their journal articles if the version is the final published citable version of record, the AGU copyright statement is clearly visible on the posting, and the posting is made 6 months after official publication by the AGU." Full citation: Fullekrug, M., R. Roussel-Dupre´, E. M. D. Symbalisty, O. Chanrion, A. Odzimek, O. van der Velde, and T. Neubert (2010), Relativistic runaway breakdown in low-frequency radio, J. Geophys. Res., 115, A00E09, http://dx.doi.org/10.1029/2009JA014468.
    RefereedYes
    StatusPublished
    ID Code17836

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