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Instability of a high-frequency wave in irradiated and streaming dusty plasmas

Published online by Cambridge University Press:  20 December 2006

M. K. ISLAM  and
Y. NAKASHIMA
M. K. ISLAM
Affiliation:
Plasma Research Center, University of Tsukuba, Ibaraki 305-8577, Japan
Y. NAKASHIMA
Affiliation:
Plasma Research Center, University of Tsukuba, Ibaraki 305-8577, Japan
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Abstract

The instability of a high-frequency wave, such as the Langmuir wave (LW) is studied using a Vlasov-kinetic model in streaming and irradiated dusty plasma with dust charge fluctuation. In irradiated dusty plasma, dust charge fluctuation is considered to be due to the combined effect of LW perturbation and photoelectron emission. It is found that the dust charge fluctuation makes the LW unstable and this instability linearly adds to the Landau effect. Growth rate of the instability of LW is discussed. Discussion is also given to justify the theory and to verify it in the laboratory experiment.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 997 - 1000
Copyright
2006 Cambridge University Press

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