PLASMA TURBULENCE GENERATED BY ION-ION TWO-STREAM INSTABILITY
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概要
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Strong instability is produced by injecting a high density ion beam with a large cross-section into an unmagnetized homogeneous plasma. The linear dispersion relation of the waves in the ion-ion two-stream system is experimentally confirmed. Three-dimensional investigations of the turbulence thus produced reveal some new features : The turbulent waves propagate at large angles to the beam with extremely short correlation length of (2-3)・wavelength. At these angles a rapid relaxation of the velocity distribution of the ions is observed until the beam temperature reaches around T_e/5. The energy density of the turbulence does not exceed 3×10^<-3> n_pT_e.
- 核融合科学研究所の論文
著者
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Ikezi H.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kiwamoto Y.
Research Information Center Institute Of Plasma Physics Nagoya University
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Kiwamoto Y.
Research Information Center Institute Of Plasma Physics Nagoya University:institute Of Materials Sci
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