Temporal evolution of parametrically excited instabilities in a magnetized plasma

T. Q. Yip, S. P. Kuo, B. R. Cheo

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Abstract

The evolution of parametric decay instabilities in a magnetized plasma was studied with an argon discharge. The plasma column was sustained either as an arc discharge or by microwave power. The two decay waves involved are a harmonic of electron cyclotron wave and a cross-field ion acoustic wave, excited parametrically by a microwave pump field linearly polarized in the direction perpendicular to the static magnetic field. The experimental observations of the evolution of the instabilities are analyzed by a phenomenological model that incorporates the linear and non-linear damping effects.

Original languageEnglish (US)
Article number001
Pages (from-to)497-508
Number of pages12
JournalPlasma Physics
Volume23
Issue number6
DOIs
StatePublished - Dec 1 1981

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ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physics and Astronomy(all)

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