High-β Ballooning-Mode Structures In Axisymmetric Mirrors

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概要

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• A low-frequency magnetic mode is observed to grow in a line-tied axisymmetric mirror with increasing plasma β up to β_c predicted by ideal MHD ballooning-mode theory. The instability is excited like a standing wave in a region of unfavorable curvature and steep redial pressure-gradient, traveling outward from the mirror well with a velocity less than the Alfven but higher than the sound velocity. It propagates azimuthally around the ion-diamagnetic drift frequency with m=2 for β≲β_c, while appearing to propagate in the electron-diamagnetic direction for β<β_c. Results are consistent with ballooning-mode structures.

• 核融合科学研究所の論文

著者

• Inutake M.

  Research Information Center Institute Of Plasma Physics Nagoya University:plasma Research Center Tsu

• Inutake M.

  Research Information Center Institute Of Plasma Physics Nagoya University:plasma Research Center Uni

• Hatakeyama R.

  Research Information Center, Institute of Plasma Physics, Nagoya University

• Sato N.

  Research Information Center, Institute of Plasma Physics, Nagoya University

• Hatakeyama R.

  Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electronic E

関連論文

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