Excitation of fast and slow magnetosonic waves by kinetic Alfven waves

Details Excitation of fast and slow magnetosonic waves by kinetic Alfven waves Excitation of fast and slow magnetosonic waves by kinetic Alfven waves

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..537..311y&link_type=abstract

WAVES IN DUSTY, SOLAR, AND SPACE PLASMAS. AIP Conference Proceedings, Volume 537, pp. 311-316 (2000).

Computer Science

Sound

1

Electromagnetic Wave Propagation, Magnetohydrodynamic Waves, Sound Waves

Scientific paper

The nonlinear parametric interaction of Alfven waves with magnetosonic and ion-acoustic waves is considered on the basis of two-fluid magnetohydrodynamics. A nonlinear dispersion relation describing three-wave interaction, instability growth rate have been calculated and estimated. The analyses of theoretical results shows that kinetic effects in the Alfven waves (the finite ion Larmour radius) are essential for the parametric interactions of waves. Nonlinear parametric processes studied in the paper could take place in the solar coronal loops, where plasma parameter is small. The products of the decay-magnetosonic and ion-acoustic waves, can effectively heat the coronal plasma in consequence of rapid dissipation. .

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