Ion-Acoustic Waves with Ion-Neutral and Electron-Neutral Collisions
In Chapter 3 we studied the behavior of electrostatic waves propagating parallel to the applied magnetic field in warm plasmas. We explicitly eliminated any kind of wave damping or instability from our model so that both ω and k were real quantities. We want to continue the study of the preceding chapter, except that we now want to include in our model collisions between charged particles and neutrals, and calculate what effects these collisions have on wave motion in the plasma. Although we will consider only one type of wave explicitly, ion-acoustic waves, this case will be considered in sufficient detail that the reader should experience little difficulty in adapting the procedure to other types of waves in other kinds of plasmas.
KeywordsPhase Velocity Collision Frequency Collisionless Plasma Electrostatic Wave Collisional Plasma
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- Y. Hatta and N. Sato, The experimental study of the ionic sound wave in the dark plasma, Proceedings of the Fifth International Conference on Ionization Phenomena on Gases, Munich, 1961, Vol. I, pp. 478–484, North-Holland, Amsterdam (1962).Google Scholar