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Cairns et al. 2000
Cairns, I.H., Robinson, P.A. and Anderson, R.R. (2000). Thermal and driven stochastic growth of Langmuir waves in the solar wind and Earth's foreshock. Geophysical Research Letters 27: doi: 10.1029/1999GL010717. issn: 0094-8276.

Statistical distributions of Langmuir wave fields in the solar wind and the edge of Earth's foreshock are analyzed and compared with predictions for stochastic growth theory (SGT). SGT quantitatively explains the solar wind, edge, and deep foreshock data as pure thermal waves, driven thermal waves subject to net linear growth and stochastic effects, and as waves in a pure SGT state, respectively, plus radiation near the plasma frequency fp. These changes are interpreted in terms of spatial variations in the beam instability's growth rate and evolution toward a pure SGT state. SGT analyses of field distributions are shown to provide a viable alternative to thermal noise spectroscopy for wave instruments with coarse frequency resolution, and to separate fp radiation from Langmuir waves. ¿ 2000 American Geophysical Union

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Abstract

Keywords
Interplanetary Physics, Plasma waves and turbulence, Space Plasma Physics, Wave/particle interactions, Space Plasma Physics, Waves and instabilities
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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