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Spatiotemporal dynamics of high-wavenumber turbulence in a basic laboratory plasma
http://hdl.handle.net/10655/00013533
http://hdl.handle.net/10655/000135339cca8d7c-19a4-4cab-92df-73ea1d6e1044
名前 / ファイル | ライセンス | アクション |
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13455_Sci.Rep (2.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-12-14 | |||||
タイトル | ||||||
タイトル | Spatiotemporal dynamics of high-wavenumber turbulence in a basic laboratory plasma | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
KAWACHI, Yuichi
× KAWACHI, Yuichi× SASAKI, Makoto× KOSUGA, Yusuke× TERASAKA, Kenichiro× NISHIZAWA, Takashi× YAMADA, Takuma× KASUYA, Naohiro× MOON, Chanho× INAGAKI, Shigeru |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-5222-6082 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | High-spatial resolution observation of high-wavenumber broadband turbulence is achieved by controlling the magnetic field to be relatively low and measuring with a azimuthally arranged multi-channel Langmuir array in a basic laboratory plasma. The observed turbulence consists of narrowband low-frequency fluctuations and broadband high-frequency turbulent fluctuations. The low-frequency fluctuations have a frequency of about 0.7 times the ion cyclotron frequency and a spatial scale of 1/10 of the ion inertial scale. In comparison, high-frequency fluctuations have a higher frequency than the ion cyclotron frequency and spatial scales of 1/10–1/40 of the ion inertial scale. Two-dimensional correlation analysis evaluates the spatial and temporal correlation lengths and reveals that the high-wavenumber broadband fluctuations have turbulent characteristics. The measurements give us further understanding of small scale turbulence in space and fusion plasmas. | |||||
書誌情報 |
Scientific Reports 巻 12, p. Article number: 19799, 発行日 2022-12-12 |
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出版者 | ||||||
出版者 | Nature Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1038/s41598-022-23559-1 | |||||
権利 | ||||||
権利情報 | © 2022, The Author(s) | |||||
権利 | ||||||
権利情報 | The version of record of this article, first published in Scientific Reports , is available online at Publisher’s website:https://doi.org/10.1038/s41598-022-23559-1 | |||||
情報源 | ||||||
関連名称 | Kawachi, Y., Sasaki, M., Kosuga, Y. et al. Spatiotemporal dynamics of high-wavenumber turbulence in a basic laboratory plasma. Sci Rep 12, 19799 (2022). https://doi.org/10.1038/s41598-022-23559-1 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1038/s41598-022-23559-1 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
13455 |