Analytic and Numerical Modelling of Langmuir Waves and Radio Emission from Earth's Foreshock

Details Analytic and Numerical Modelling of Langmuir Waves and Radio Emission from Earth's Foreshock Analytic and Numerical Modelling of Langmuir Waves and Radio Emission from Earth's Foreshock

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsh72a0558k&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SH72A-0558

Physics

2154 Planetary Bow Shocks, 2164 Solar Wind Plasma, 2772 Plasma Waves And Instabilities, 7847 Radiation Processes, 7871 Waves And Instabilities

Scientific paper

We present theoretical predictions of the spatial distribution and flux levels of radio emission in Earth's foreshock due to Langmuir waves driven by backstreaming electron beams. We combine electron reflection and acceleration at Earth's bow shock with stochastic growth theory for the steady-state production of Langmuir waves and nonlinear wave processes for the emission of electromagnetic radiation at harmonics of the electron plasma frequency. We demonstrate that the model predictions agree remarkably well, both qualitatively and quantitatively, with observations.

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