Effect of dust rotation on the Landau damping of dust-acoustic surface waves in a kappa plasma

Seungjun Lee, Myoung-Jae Lee

Research output: Contribution to journalArticle

Abstract

The effect of dust grain rotation on the damping of a dust acoustic surface wave is investigated for the semi-bounded kappa plasma containing elongated and rotating dust grains. The Landau damping rate is kinetically derived by employing the Vlasov-Maxwell equations and is analyzed for various physical parameters such as the dust grain's angular frequency, the wave number, etc. The result shows that the Landau damping can be enhanced by increasing the dust grain's angular frequency.

Original languageEnglish
Pages (from-to)328-332
Number of pages5
JournalJournal of the Korean Physical Society
Volume64
Issue number2
DOIs
StatePublished - 2014 Feb 25

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Landau damping
surface waves
dust
acoustics
Maxwell equation
damping

Keywords

  • Dusty plasma
  • Kappa plasma
  • Landau damping
  • Surface wave

Cite this

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Effect of dust rotation on the Landau damping of dust-acoustic surface waves in a kappa plasma. / Lee, Seungjun; Lee, Myoung-Jae.

In: Journal of the Korean Physical Society, Vol. 64, No. 2, 25.02.2014, p. 328-332.

Research output: Contribution to journalArticle

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AU - Lee, Seungjun

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PY - 2014/2/25

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N2 - The effect of dust grain rotation on the damping of a dust acoustic surface wave is investigated for the semi-bounded kappa plasma containing elongated and rotating dust grains. The Landau damping rate is kinetically derived by employing the Vlasov-Maxwell equations and is analyzed for various physical parameters such as the dust grain's angular frequency, the wave number, etc. The result shows that the Landau damping can be enhanced by increasing the dust grain's angular frequency.

AB - The effect of dust grain rotation on the damping of a dust acoustic surface wave is investigated for the semi-bounded kappa plasma containing elongated and rotating dust grains. The Landau damping rate is kinetically derived by employing the Vlasov-Maxwell equations and is analyzed for various physical parameters such as the dust grain's angular frequency, the wave number, etc. The result shows that the Landau damping can be enhanced by increasing the dust grain's angular frequency.

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