Abstract
When an electromagnetic wave is incident on an inhomogeneous plasma from the vacuum, a collective oscillation, or wave, is excited inside the plasma. The excited wave then propagates inside the non-uniform plasma and dissipates due to wave-particle interactions and collisions. This type of problem is generally called the wave-plasma interaction and has a variety of applications to fusion research such as plasma heating, stability control, and current-drive. This chapter deals with such problems. Because of their complex nature, we shall restrict our-selves to only giving an outline of the problems. First, in Sect. 12.1 we describe the basic notion of wave propagation in non-uniform plasma. Then in Sect. 12.2 we consider wave propagation in a magnetically confined plasma and describe how the externally excited wave can reach the point where the wave can deposit energy and/or momentum via wave-particle resonances. The next section discusses the possibility of current control via radio-frequency waves. Finally, in Sect. 12.4, we briefly describe the wave-plasma interaction when intense laser light is used as an energy driver for inertial confinement fusion.
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© 1990 Springer-Verlag Berlin Heidelberg
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Nishikawa, K., Wakatani, M. (1990). Wave-Plasma Interactions. In: Plasma Physics. Springer Series on Atoms+Plasmas, vol 8. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-02658-8_12
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DOI: https://doi.org/10.1007/978-3-662-02658-8_12
Publisher Name: Springer, Berlin, Heidelberg
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