Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ssrv..107..507r&link_type=abstract
Space Science Reviews, v. 107, Issue 1, p. 507-514 (2003).
Physics
1
Chaos, Instabilities, Radio Radiation, Sun, Turbulence
Scientific paper
Langmuir waves and turbulence resulting from an electron beam-plasma instability play a fundamental role in the generation of solar radio bursts. We report recent theoretical advances in nonlinear dynamics of Langmuir waves. First, starting from the generalized Zakharov equations, we study the parametric excitation of solar radio bursts at the fundamental plasma frequency driven by a pair of oppositely propagating Langmuir waves with different wave amplitudes. Next, we briefly discuss the emergence of chaos in the Zakharov equations. We point out that chaos can lead to turbulence in the source regions of solar radio emissions.
Alves Maria Virginia
Chian Abraham C. -L.
Erichsen Ronaldo
Lopes Sergio Roberto
Oliveira I. de G.
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