<RESEARCH REPORT>Focus of Rotating and Propagating Light Ion Beam : Flow of Electron Current
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概要
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In the focus of a rotating and propagating light ion beam, background electrons play an essential role for generation of the self-magnetic field due to the beam current. Flows of electrons and electro-magnetic fields are solved by using a direct implicit scheme in the improved hybrid particle code. When the beam is focused to high density, electron currents flow the outer side of the beam current and the energy of the strong self-magnetic field is stored in the space between the electron and the beam current. In order to achieve stablely such a configuration of the current-flow pattern, the azimuthal magnetic field of several Tesla is applied externally around the focal spot. The beam focusibility is checked by this code, and the relation of the background-plasma density to the charge and current neutralization fractions are obtained.
- 核融合科学研究所の論文
著者
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Aoki Takayuki
Department Of Energy Sciences Tokyo Institute Of Technology
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Niu Keishiro
Department Of Energy Science The Graduate School At Nagatsuta Tokyo Institute Of Technology
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Aoki Takayuki
Department Of Energy Sciences The Graduate School At Nagatsuta Tokyo Institute Of Technology
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NIU Keishiro
Department of Energy Sciences, The Graduate School at Nagatsuta, Tokyo Institute of Technology
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