Observation of Transition from Resonant to Nonresonant Lower-Hybrid Parametric Decay Process

Hiroshi Fujiyama, Daisuke Okano, Shigeru Itaya, Masanori Akazaki, Yukio Watanabe

研究成果: Contribution to journalArticle査読

抄録

Transition from a resonant to a nonresonant parametric decay process was observed by increasing pumping power for the frequency range ωLH≲ω0≲3ωLH0: pump frequency, ωLH: lower-hybrid frequency). A resonant backward ion cyclotron wave was excited for 1.5≲ω0LH≲3 and 1≲U/Cs≲5 (U: electron drift velocity, Cs: ion acoustic velocity). On the other hand, a nonresonant ion-quasimode was excited for 1≲ω0LH≲2 and U/Cs≳2.5. These exciting regions can be also verified by measuring the radial distribution of the amplitudes of these decay waves.

本文言語英語
ページ(範囲)2147-2148
ページ数2
ジャーナルjournal of the physical society of japan
50
7
DOI
出版ステータス出版済み - 1981

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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