Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

F. Kin; A. Fujisawa; K. Itoh; Y. Kosuga; Makoto Sasaki; Inagaki Shigeru; Y. Nagashima; T. Yamada; N. Kasuya; K. Yamasaki; K. Hasamada; B. Y. Zhang; Y. Kawachi; H. Arakawa; T. Kobayashi; Sanae Itoh

doi:10.1063/1.5093218

Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

F. Kin, A. Fujisawa, K. Itoh, Y. Kosuga, Makoto Sasaki, Inagaki Shigeru, Y. Nagashima, T. Yamada, N. Kasuya, K. Yamasaki, K. Hasamada, B. Y. Zhang, Y. Kawachi, H. Arakawa, T. Kobayashi, Sanae Itoh

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12 Citations (Scopus)

Abstract

The streamer-driven particle flux is evaluated experimentally in a linear cylindrical plasma. The streamers, a radially elongated and azimuthally localized structure created in turbulent plasma, really induce ballistic transport, and directly connect the plasma core to the edge within one order faster time scale than that of turbulence. The occurrence of large transport deviates from a Gaussian distribution and is likely to obey a power law. The fundamental plasma experiment clearly shows the significant and essential contributions of streamers to cross-field transport and structural formation of turbulent plasmas.

Original language	English
Article number	042306
Journal	Physics of Plasmas
Volume	26
Issue number	4
DOIs	https://doi.org/10.1063/1.5093218
Publication status	Published - Apr 1 2019

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.5093218

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Kin, F., Fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Shigeru, I., Nagashima, Y., Yamada, T., Kasuya, N., Yamasaki, K., Hasamada, K., Zhang, B. Y., Kawachi, Y., Arakawa, H., Kobayashi, T., & Itoh, S. (2019). Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma. Physics of Plasmas, 26(4), Article 042306. https://doi.org/10.1063/1.5093218

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title = "Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma",

abstract = "The streamer-driven particle flux is evaluated experimentally in a linear cylindrical plasma. The streamers, a radially elongated and azimuthally localized structure created in turbulent plasma, really induce ballistic transport, and directly connect the plasma core to the edge within one order faster time scale than that of turbulence. The occurrence of large transport deviates from a Gaussian distribution and is likely to obey a power law. The fundamental plasma experiment clearly shows the significant and essential contributions of streamers to cross-field transport and structural formation of turbulent plasmas.",

author = "F. Kin and A. Fujisawa and K. Itoh and Y. Kosuga and Makoto Sasaki and Inagaki Shigeru and Y. Nagashima and T. Yamada and N. Kasuya and K. Yamasaki and K. Hasamada and Zhang, {B. Y.} and Y. Kawachi and H. Arakawa and T. Kobayashi and Sanae Itoh",

note = "Funding Information: This work was partly supported by the Grant-in-Aid for Scientific Research of JSPS, Japan (JP15H02155, JP16H02442, JP17H06089, and JP17K06994), the collaboration programs of RIAM Kyushu University and of the National Institute for Fusion Science (NIFS17KOCH002), JSPS Research Fellow (JP16J00560), and Asada Science Foundation. Publisher Copyright: {\textcopyright} 2019 Author(s).",

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doi = "10.1063/1.5093218",

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T1 - Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

AU - Kin, F.

AU - Fujisawa, A.

AU - Itoh, K.

AU - Kosuga, Y.

AU - Sasaki, Makoto

AU - Shigeru, Inagaki

AU - Nagashima, Y.

AU - Yamada, T.

AU - Kasuya, N.

AU - Yamasaki, K.

AU - Hasamada, K.

AU - Zhang, B. Y.

AU - Kawachi, Y.

AU - Arakawa, H.

AU - Kobayashi, T.

AU - Itoh, Sanae

N1 - Funding Information: This work was partly supported by the Grant-in-Aid for Scientific Research of JSPS, Japan (JP15H02155, JP16H02442, JP17H06089, and JP17K06994), the collaboration programs of RIAM Kyushu University and of the National Institute for Fusion Science (NIFS17KOCH002), JSPS Research Fellow (JP16J00560), and Asada Science Foundation. Publisher Copyright: © 2019 Author(s).

PY - 2019/4/1

Y1 - 2019/4/1

N2 - The streamer-driven particle flux is evaluated experimentally in a linear cylindrical plasma. The streamers, a radially elongated and azimuthally localized structure created in turbulent plasma, really induce ballistic transport, and directly connect the plasma core to the edge within one order faster time scale than that of turbulence. The occurrence of large transport deviates from a Gaussian distribution and is likely to obey a power law. The fundamental plasma experiment clearly shows the significant and essential contributions of streamers to cross-field transport and structural formation of turbulent plasmas.

AB - The streamer-driven particle flux is evaluated experimentally in a linear cylindrical plasma. The streamers, a radially elongated and azimuthally localized structure created in turbulent plasma, really induce ballistic transport, and directly connect the plasma core to the edge within one order faster time scale than that of turbulence. The occurrence of large transport deviates from a Gaussian distribution and is likely to obey a power law. The fundamental plasma experiment clearly shows the significant and essential contributions of streamers to cross-field transport and structural formation of turbulent plasmas.

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JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 4

M1 - 042306

ER -

Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

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