๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Note on solar plasma irregularities and plasma instabilities

โœ Scribed by S. K. Alurkar


Publisher
Springer
Year
1972
Tongue
English
Weight
171 KB
Volume
26
Category
Article
ISSN
0038-0938

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โœฆ Synopsis


Observations of interplanetary scintillation of radio sources are used to estimate the size of plasma irregularities down to a distance of about 6 R 0 from the Sun. This is compared with the values of the ion gyro-radius estimated for a range of distance from 1 AU to about 6 R| from the Sun. The results of the calculations are discussed in the context of the hypothesis of plasma instability which is invoked to interpret the observations of the scattering of radio waves in the solar corona and of interplanetary scintillations.


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Modulational instability of fast magneto
โœ Jun-Ichi Sakai ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Springer ๐ŸŒ English โš– 419 KB

Transverse amplitude modulations of fast magnetosonic waves propagating perpendicular to the background magnetic field are shown to be unstable on a time scale z-~ 211/V, ep, if the wave amplitude ~0 exceeds a critical value, tpc = Cs/V a. The slow modes generated by the modulational instability und