Physics
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9622798c&link_type=abstract
Conference Paper, Cambridge Univ. Cambridge, United Kingdom Dept. of Applied Mathematics and Theoretical Physics.
Physics
Electromagnetic Radiation, Emittance, Ion Acoustic Waves, Langmuir Turbulence, Magnetohydrodynamic Waves, Plasmas (Physics), Solar Corona, Solar Radio Emission, Coupling, Energy Dissipation, Cyclotron Radiation, Low Frequencies, Solar Wind
Scientific paper
We discuss various nonlinear mode-mode coupling processes, involving the interaction of high-frequency Langmuir waves with low-frequency Alfven waves, which may play a role in the generation of solar radio emission. We treat the case wherein all the interacting waves are field-aligned. Traditionally, it is believed that the Langmuir-ion acoustic turbulence is the dominant mechanism for Langmuir waves to dissipate energy in a plasma. We propose that the Langmuir-Alfven turbulence may also be an efficient mechanism for dissipating Langmuir wave energy in solar plasma. The electromagnetic electron cyclotron waves emitted by the Langmuir-Alfven turbulence provide the electromagnetic signatures of the energization processes taking place in the solar corona and the solar wind.
Abalde José Ricardo
Alves Maria Virginia
Chian Abraham C. -L.
Lopes Sergio Roberto
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