Physics – Plasma Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa13a1868r&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SA13A-1868
Physics
Plasma Physics
[2159] Interplanetary Physics / Plasma Waves And Turbulence, [5435] Planetary Sciences: Solid Surface Planets / Ionospheres, [6295] Planetary Sciences: Solar System Objects / Venus, [7859] Space Plasma Physics / Transport Processes
Scientific paper
We study the linear development of the two-stream instability in a plasma consisting of cold ions, assumed at rest and taken to represent planetary ions, and a hot, streaming population of electrons, representing the solar wind. The stability of quasi-global perturbations is analyzed as a function of plasma density, temperature and streaming velocity, using a QR algorithm to compute the growth rate of eigenmodes of the coupled fluid equations of motion for both species. The sense of the cross-flow, viscous-like momentum transfer from the streaming plasma to ionospheric ions, is determined on the basis of an heuristic estimation following a Reynolds averaging procedure of the cross-flow momentum flux term in the equation of motion.
Aceves Hector
Perez de Tejada H. A.
Reyes-Ruiz Mauricio
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