Geodesic acoustic mode spectroscopy II

Sanae I. Itoh, Seiya Nishimura, Kimitaka Itoh, Akihide Fujisawa, Yoshihiko Nagashima, Shigeru Inagaki

研究成果: Contribution to journalArticle査読

抄録

An extension of geodesic acoustic mode (GAM) spectroscopy [Plasma Phys. Control. Fusion 49, L7 (2007)] is proposed. The ratio between the lowest frequency of the co-existing ion acoustic mode (IAM) and the frequency of GAM enables us to identify the safety factor of toroidal plasmas. The lowest frequency can be detected by bispectrum analysis when both GAM and IAM are excited. The possibility of measuring the safety factor is discussed.

本文言語英語
論文番号014
ジャーナルPlasma and Fusion Research
4
DOI
出版ステータス出版済み - 2009

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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