Evaluation of excitation conditions of ITG modes in the PANTA

Yudai Miwa, Naohiro Kasuya, Makoto Sasaki, Shigeru Inagaki, Kimitaka Itoh, Masatoshi Yagi, Akihide Fujisawa, Yoshihiko Nagashima, Maxime Lesur, Tatsuya Kobayashi, Soutarou Yamada, Tetsuo Yamashita, Satoshi Otsubo, Shinsuke Kakigawa, Tomohiro Mitsuzono, Hirofumi Fujino, Sanae I. Itoh

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Abstract

To study the nonlinear saturation mechanism in turbulent plasmas, we plan to obseve ion temperature gradient (ITG) modes in the Plasma Assembly for Nonlinear Turbulence Analysis (PANTA). Linear growth rates of ITG modes in the linear device are analyzed to determine their excitation conditions using a three-field fluid model to describe the ion motion. Parameter scans of the linear growth rate show the threshold for ITG mode excitation, and the typical plasma parameters of the PANTA are found in the unstable domain.

Original languageEnglish
Article number2403133
JournalPlasma and Fusion Research
Volume8
DOIs
Publication statusPublished - Jan 1 2013

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All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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