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Full-scale simulation study of stimulated electromagnetic emissions: The first ten milliseconds
Ruhr University Bochum.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.
2010 (English)In: JOURNAL OF PLASMA PHYSICS, ISSN 0022-3778, Vol. 76, 369-375 p.Article in journal (Refereed) Published
Abstract [en]

A full-scale numerical study is performed of the nonlinear interaction between a large-amplitude electromagnetic wave and the Earths ionosphere; and of the stimulated electromagnetic emission emerging from the turbulent layer, during the first 10 milliseconds after switch-on of the radio transmitter. The frequency spectra are downshifted in frequency and appear to emerge from a region somewhat below the cutoff of the O mode, which is characterized by Langmuir wave turbulence and localized Langmuir envelopes trapped in ion density cavities. The spectral features of escaping O-mode waves are very similar to those observed in experiments. The frequency components of Z-mode waves, trapped in the region between the O- and Z-mode cutoffs show strongly asymmetric and downshifted spectra.

Place, publisher, year, edition, pages
Cambridge University Press , 2010. Vol. 76, 369-375 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-57399DOI: 10.1017/S0022377809990559ISI: 000278169300015OAI: diva2:325542
Original Publication: Bengt Eliasson and Lennart Stenflo, Full-scale simulation study of stimulated electromagnetic emissions: The first ten milliseconds, 2010, JOURNAL OF PLASMA PHYSICS, (76), 369-375. Copyright: Cambridge University Press Available from: 2010-06-18 Created: 2010-06-18 Last updated: 2010-06-23

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