Physics – Plasma Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh41b1792g&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SH41B-1792
Physics
Plasma Physics
[7839] Space Plasma Physics / Nonlinear Phenomena, [7863] Space Plasma Physics / Turbulence, [7867] Space Plasma Physics / Wave/Particle Interactions
Scientific paper
Scale-separation model of wave-particle interaction in divergent solar wind was applied to study the transitional region of solar wind turbulence [1]. We concentrated on area from around the end of the inertial range to the region where proton cyclotron dumping is important. Our goal is to investigate how the transitional region changes due to change of the solar wind plasma parameters (and most important due to the change of local cyclotron frequency) with heliocentric distance. Previously we discovered that shell distribution developed in solar wind due to wave-particle interaction is becoming unstable as solar wind expands [2]. Waves that are generated by this instability modify the transitional region of turbulence. [1] Galinsky, V.L and V. I. Shevchenko, Phys. Rev. Letters, 85, 90, 2000. [2] Shevchenko V.I. et al., Phys. of Plasmas, 11, 4290, 2004.
Galinsky Vitaly
Shevchenko V. I.
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