Physics
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..311z&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 12, Apr. 1986, p. 311-317) Soviet Astronomy Letters (ISSN 0360-0327), vol. 12, Mar.-Apr
Physics
2
Plasma Waves, Plasma-Particle Interactions, Solar Physics, Solar Radio Bursts, Wave Propagation, Jupiter Atmosphere, Magnetic Field Configurations, Planetary Radiation, Polarization Characteristics
Scientific paper
An interpretation of the millisecond structure occasionally observed in meter-wavelength solar radio bursts is offered which parallels that given for the decameter s-bursts on Jupiter. The source would be a slightly anisotropic plasma with a quasi-homogeneous magnetic field. A bunch of hot electrons would excite plasma waves near the upper hybrid resonance frequency; scattered by thermal ions, these would transform into ordinary and extraordinary electromagnetic waves for which the refractive indices n(o,ex) are much less than 1. The negative frequency drift of solar s-bursts could be due to group delay as these waves propagate outward and escape from their generation site. The quasi-periodicity of the s-burst trains would signify that the plasma waves are converted into ordinary and extraordinary waves in a pulsed mode.
Zajtsev V. V.
Zlotnik Ya. E.
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