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Title:
On the upconversion of ion-sound to Langmuir turbulence
Authors:
Vlahos, L.; Papadopoulos, K.
Affiliation:
AA(Maryland, University, College Park, Md.), AB(U.S. Navy, Naval Research Laboratory, Washington, D.C; Maryland, University, College Park, Md.)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 234, Dec. 15, 1979, p. L217, L218. Navy-supported research (ApJL Homepage)
Publication Date:
12/1979
Category:
Plasma Physics
Origin:
STI
NASA/STI Keywords:
Electrostatic Waves, Ion Acoustic Waves, Plasma Turbulence, Solar Flares, Atmospheric Models, Electron Scattering, Solar Physics, Wave Equations
DOI:
10.1086/183143
Bibliographic Code:
1979ApJ...234L.217V

Abstract

Consideration is given to the upconversion of ion sound waves to excited Langmuir waves in solar flares. It is shown that, due to the process of anomalous high-frequency resistivity in which the reabsorption of Langmuir waves in the presence of ion waves is enhanced, the upconversion of ion sound waves to Langmuir waves is impossible in the absence of suprathermal particles and when the electron drift velocity is less than the electron thermal velocity.

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