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(EXP4/09) Control of Parallel and Perpendicular Potential Profiles in Open-Ended Plasma Confinement Systems

N. Sato, R. Hatakeyama, T. Kaneko, M. Inutake, M. Yoshinuma, K. Hattori, A. Ando

Graduate School of Engineering, Tohoku University, Aza-Aoba 05, Aramaki, Sendai 980-8579, Japan

Abstract.  A plug potential with thermal barrier is clearly observed to be formed along a field-aligned plasma flow in the presence of a single electron-cyclotron-resonance point under a simple magnetic-mirror configuration. Drift-mode fluctuations are controlled by varying a radial electric field and a related azimuthal drift shear.

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