Extraction of nonlinear waveform in turbulent plasma

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

doi:10.1063/1.5027124

Extraction of nonlinear waveform in turbulent plasma

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

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Streamers and their mediator have been known to exist in linear cylindrical plasmas [Yamada et al., Nat. Phys. 4, 721 (2008)]. Conditional averaging is applied to extract the nonlinear characteristics of a mediator, which has been simply treated as a linear wave. This paper reports that a mediator should have higher harmonic components generated by self-couplings, and the envelope of a streamer should be generated with not only fundamental but also higher harmonic components of the mediator. Moreover, both the mediator and the envelope of the streamer have common features with solitary waves, i.e., the height should increase inversely as the square of their localization width.

Original language	English
Article number	062304
Journal	Physics of Plasmas
Volume	25
Issue number	6
DOIs	https://doi.org/10.1063/1.5027124
Publication status	Published - Jun 1 2018

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.5027124

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@article{5668b054d489473b948e5f7cec359547,

title = "Extraction of nonlinear waveform in turbulent plasma",

abstract = "Streamers and their mediator have been known to exist in linear cylindrical plasmas [Yamada et al., Nat. Phys. 4, 721 (2008)]. Conditional averaging is applied to extract the nonlinear characteristics of a mediator, which has been simply treated as a linear wave. This paper reports that a mediator should have higher harmonic components generated by self-couplings, and the envelope of a streamer should be generated with not only fundamental but also higher harmonic components of the mediator. Moreover, both the mediator and the envelope of the streamer have common features with solitary waves, i.e., the height should increase inversely as the square of their localization width.",

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

note = "Funding Information: This work was partly supported by the Grant-in-Aid for Scientific Research of JSPS, Japan (JP15H02335, JP15H02155, JP15K14283, JP16H02442, JP17H06089, and JP17K06994) the collaboration programs of RIAM Kyushu University and the National Institute for Fusion Science (NIFS15KLPH024, NIFS17KOCH002), JSPS Research Fellow (JP16J00560), and the Asada Science Foundation. Publisher Copyright: {\textcopyright} 2018 Author(s).",

year = "2018",

month = jun,

day = "1",

doi = "10.1063/1.5027124",

language = "English",

volume = "25",

journal = "Physics of Plasmas",

issn = "1070-664X",

publisher = "American Institute of Physics Publising LLC",

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TY - JOUR

T1 - Extraction of nonlinear waveform in turbulent plasma

AU - Kin, F.

AU - Itoh, K.

AU - Fujisawa, A.

AU - Kosuga, Y.

AU - Sasaki, Makoto

AU - Yamada, T.

AU - Shigeru, Inagaki

AU - Itoh, Sanae

AU - Kobayashi, T.

AU - Nagashima, Y.

AU - Kasuya, N.

AU - Arakawa, H.

AU - Yamasaki, K.

AU - Hasamada, K.

N1 - Funding Information: This work was partly supported by the Grant-in-Aid for Scientific Research of JSPS, Japan (JP15H02335, JP15H02155, JP15K14283, JP16H02442, JP17H06089, and JP17K06994) the collaboration programs of RIAM Kyushu University and the National Institute for Fusion Science (NIFS15KLPH024, NIFS17KOCH002), JSPS Research Fellow (JP16J00560), and the Asada Science Foundation. Publisher Copyright: © 2018 Author(s).

PY - 2018/6/1

Y1 - 2018/6/1

N2 - Streamers and their mediator have been known to exist in linear cylindrical plasmas [Yamada et al., Nat. Phys. 4, 721 (2008)]. Conditional averaging is applied to extract the nonlinear characteristics of a mediator, which has been simply treated as a linear wave. This paper reports that a mediator should have higher harmonic components generated by self-couplings, and the envelope of a streamer should be generated with not only fundamental but also higher harmonic components of the mediator. Moreover, both the mediator and the envelope of the streamer have common features with solitary waves, i.e., the height should increase inversely as the square of their localization width.

AB - Streamers and their mediator have been known to exist in linear cylindrical plasmas [Yamada et al., Nat. Phys. 4, 721 (2008)]. Conditional averaging is applied to extract the nonlinear characteristics of a mediator, which has been simply treated as a linear wave. This paper reports that a mediator should have higher harmonic components generated by self-couplings, and the envelope of a streamer should be generated with not only fundamental but also higher harmonic components of the mediator. Moreover, both the mediator and the envelope of the streamer have common features with solitary waves, i.e., the height should increase inversely as the square of their localization width.

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DO - 10.1063/1.5027124

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JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 6

M1 - 062304

ER -

Extraction of nonlinear waveform in turbulent plasma

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