Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron

H. Idei; K. Ida; H. Sanuki; H. Yamada; H. Iguchi; S. Kubo; R. Akiyama; H. Arimoto; M. Fujiwara; M. Hosokawa; K. Matsuoka; S. Morita; K. Nishimura; K. Ohkubo; S. Okamura; S. Sakakibara; C. Takahashi; Y. Takita; K. Tsumori; I. Yamada

doi:10.1103/PhysRevLett.71.2220

Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron

H. Idei, K. Ida, H. Sanuki, H. Yamada, H. Iguchi, S. Kubo, R. Akiyama, H. Arimoto, M. Fujiwara, M. Hosokawa, K. Matsuoka, S. Morita, K. Nishimura, K. Ohkubo, S. Okamura, S. Sakakibara, C. Takahashi, Y. Takita, K. Tsumori, I. Yamada

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Abstract

The transition of a radial electric field from a negative to a positive value is observed in the compact helical system when the electron loss is sufficiently enhanced by the superposition of the off-axis second harmonic electron cyclotron heating on the neutral beam heated plasmas. Existence of the threshold for the enhanced particle flux required to cause the transition is experimentally certified. The observed threshold is compared with a theoretical prediction.

Original language	English
Pages (from-to)	2220-2223
Number of pages	4
Journal	Physical review letters
Volume	71
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.71.2220
Publication status	Published - 1993
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.71.2220

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Idei, H., Ida, K., Sanuki, H., Yamada, H., Iguchi, H., Kubo, S., Akiyama, R., Arimoto, H., Fujiwara, M., Hosokawa, M., Matsuoka, K., Morita, S., Nishimura, K., Ohkubo, K., Okamura, S., Sakakibara, S., Takahashi, C., Takita, Y., Tsumori, K., & Yamada, I. (1993). Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron. Physical review letters, 71(14), 2220-2223. https://doi.org/10.1103/PhysRevLett.71.2220

Idei, H, Ida, K, Sanuki, H, Yamada, H, Iguchi, H, Kubo, S, Akiyama, R, Arimoto, H, Fujiwara, M, Hosokawa, M, Matsuoka, K, Morita, S, Nishimura, K, Ohkubo, K, Okamura, S, Sakakibara, S, Takahashi, C, Takita, Y, Tsumori, K & Yamada, I 1993, 'Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron', Physical review letters, vol. 71, no. 14, pp. 2220-2223. https://doi.org/10.1103/PhysRevLett.71.2220

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abstract = "The transition of a radial electric field from a negative to a positive value is observed in the compact helical system when the electron loss is sufficiently enhanced by the superposition of the off-axis second harmonic electron cyclotron heating on the neutral beam heated plasmas. Existence of the threshold for the enhanced particle flux required to cause the transition is experimentally certified. The observed threshold is compared with a theoretical prediction.",

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T1 - Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron

AU - Idei, H.

AU - Ida, K.

AU - Sanuki, H.

AU - Yamada, H.

AU - Iguchi, H.

AU - Kubo, S.

AU - Akiyama, R.

AU - Arimoto, H.

AU - Fujiwara, M.

AU - Hosokawa, M.

AU - Matsuoka, K.

AU - Morita, S.

AU - Nishimura, K.

AU - Ohkubo, K.

AU - Okamura, S.

AU - Sakakibara, S.

AU - Takahashi, C.

AU - Takita, Y.

AU - Tsumori, K.

AU - Yamada, I.

PY - 1993

Y1 - 1993

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AB - The transition of a radial electric field from a negative to a positive value is observed in the compact helical system when the electron loss is sufficiently enhanced by the superposition of the off-axis second harmonic electron cyclotron heating on the neutral beam heated plasmas. Existence of the threshold for the enhanced particle flux required to cause the transition is experimentally certified. The observed threshold is compared with a theoretical prediction.

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Transition of the radial electric field by electron cyclotron heating in the CHS heliotron/torsatron

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