Physics
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8223105b&link_type=abstract
Unknown
Physics
Drift Rate, Emission Spectra, Plasma Waves, Solar Spectra, Type 4 Bursts, Whistlers, Digital Data, Histograms, Magnetically Trapped Particles, Plasma-Electromagnetic Interaction, Solitary Waves
Scientific paper
Digital observations of fiber fine structures during the type 4 solar radio burst of October 1, 1978 are presented and analyzed. The results are summarized in histograms. Typical values for drift-rates range between -2.3 and -9.9 MHz/s. Frequency intervals between absorption and emission within the spectrum were measured to be within 0.9 and 2.7 MHz angular frequency. Several types of spectra are discussed. A theoretical interpretation based upon the model of a population of electrons trapped within a magnetic mirror loop configuration shows that the fiber emission can be explained assuming an interaction between spatially localized strong whistler turbulence (solitons) and a broadband Langmuir wave spectrum. Ducting of the whistler solitons in low density ducts provides a plausible explanation for their coherent behavior during the lifetime of an individual fiber.
Bernold E. X. T.
Treumann Rudolf A.
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