An electrostatic parabolic density drift instability

Details An electrostatic parabolic density drift instability An electrostatic parabolic density drift instability

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....87...73g&link_type=abstract

Journal of Geophysical Research, vol. 87, Jan. 1, 1982, p. 73-76. Research supported by the U.S. Department of Energy and NASA.

Physics

4

Density Distribution, Electrostatic Waves, Magnetohydrodynamic Stability, Plasma Density, Plasma Drift, Space Plasmas, Mathematical Models, Parabolas, Plasma-Electromagnetic Interaction, Transport Properties, Vlasov Equations

Scientific paper

Assuming a uniform magnetic field and using the local approximation, the Vlassov theory for an electrostatic instability driven by a parabolic density gradient is considered. It is found that the instability grows only in the case of a sufficiently large, positive second derivative of the density. Linear growth rate parametric dependences are given, in addition to weakly nonlinear calculations on wave-particle transport due to this instability.

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