Observation of beat oscillation generation by coupled waves associated with parametric decay during radio frequency wave heating of a spherical tokamak plasma

We present an observation of beat oscillation generation by coupled modes associated with parametric decay instability (PDI) during radio frequency (rf) wave heating experiments on the Tokyo Spherical Tokamak-2. Nearly identical PDI spectra, which are characterized by the coexistence of the rf pump...

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Veröffentlicht in:	Physical review letters 2010-06, Vol.104 (24), p.245002-245002, Article 245002
Hauptverfasser:	Nagashima, Yoshihiko, Oosako, Takuya, Takase, Yuichi, Ejiri, Akira, Watanabe, Osamu, Kobayashi, Hiroaki, Adachi, Yuuki, Tojo, Hiroshi, Yamaguchi, Takashi, Kurashina, Hiroki, Yamada, Kotaro, An, Byung Il, Kasahara, Hiroshi, Shimpo, Fujio, Kumazawa, Ryuhei, Hayashi, Hiroyuki, Matsuzawa, Haduki, Hiratsuka, Junichi, Hanashima, Kentaro, Kakuda, Hidetoshi, Sakamoto, Takuya, Wakatsuki, Takuma
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY ACCELERATORS CLOSED PLASMA DEVICES CONFIGURATION COUPLING CYCLIC ACCELERATORS CYCLOTRONS DECAY DECAY INSTABILITY ELECTROMAGNETIC RADIATION INSTABILITY NONLINEAR PROBLEMS PLASMA PLASMA INSTABILITY RADIATIONS RADIOWAVE RADIATION RF SYSTEMS SPECTRA SPHERICAL CONFIGURATION THERMONUCLEAR DEVICES TOKAMAK DEVICES
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