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《Nuclear Fusion and Plasma Physics》 1985-01
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HUANG Lin(Southwestern Institute of Physics, Leshan, Sichuan, China)  
In this paper, the electrostatic low-frequency parametric instability, excited by an external pump electric field E0 in an ion beam-plasma system, has been investigated by the method of Fried et al. First, the general dispersion relation for the low frequency wave is derived. Then the excitation of parametric instabilities in a proton beam-plasma system is studied by means of the numerical method. The results show that the ion beam has an important influence upon the parametric instability excitation in plasma systems. In the absence of the ion beam, only one mode can be excited. Once an ion beam is introduced into the system, two waves with long wave length and low frequency are excited.
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1 HUANG Lin(Southwestern Institute of Physics, Leshan, Sichuan);ELECTROMAGNETIC INSTABILITY IN ION-BEAM-PLASMA SYSTEM[J];Nuclear Fusion and Plasma Physics;1987-01
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