Vlasov simulations of Langmuir Electrostatic Decay and consequences for Type III observations

Details Vlasov simulations of Langmuir Electrostatic Decay and consequences for Type III observations Vlasov simulations of Langmuir Electrostatic Decay and consequences for Type III observations

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1216..288h&link_type=abstract

TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 288-291 (2010).

Physics

Vlasov Equation, Electric Fields, Landau Levels, Solar Wind, Fokker-Planck And Vlasov Equation, Electrostatic Waves And Oscillations, Landau Levels, Particle Emission, Solar Wind

Scientific paper

The electrostatic decay enables energy transfer from a finite amplitude Langmuir to a backscattered daughter Langmuir wave and ion acoustic density fluctuations. This mechanism is thought to be a first step for the generation of type III solar radio emissions at twice the plasma frequency. The electrostatic decay is here investigated through Vlasov-Poisson simulations by considering Langmuir localized wave packets in the case Te = Tp. Simulation results are found to be in good agreement with recently reported observations from the STEREO mission of the electrostatic decay of beam-driven Langmuir waves during a type III burst.

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