Physics
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....9716827s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. A11, p. 16,827-16,832.
Physics
50
Lorentz Transformations, Magnetohydrodynamic Stability, Maxwell Equation, Plasma Currents, Space Plasmas, Planetary Magnetospheres, Solar Wind
Scientific paper
The modified plasma dispersion function Z* sub kappa (xi) based on the generalized Lorentzian distribution, which was introduced by Summers and Thorne (1991), is used to analyze three classical problems of plasma physics. These include the Landau damping of Langmuir waves, the ion acoustic instability in a current-carrying plasma, and the cyclotron resonant instability of electromagnetic R mode waves propagating parallel to an ambient magnetic field. It was found that, in each case, the results for a generalized Lorentzian plasma can differ significantly from those for a Maxwellian plasma. It is suggested that previous calculations based on a Maxwellian plasma distribution function Z(xi) have to be reexamined.
Mansergh Thorne Richard
Summers Danny
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