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Dust acoustic waves in a dc glow-discharge plasma


The spontaneous excitation of low-frequency oscillations of the macroparticle density in ordered dust structures levitating in standing striations of a dc glow discharge is discovered. It is concluded on the basis of a simplified linear model of an ideal collisionless plasma that the observed instability is caused by the drift motion of ions relative to the dust, which leads to the excitation of dust acoustic oscillations of the plasma.

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Zh. Éksp. Teor. Fiz. 116, 902–907 (September 1999)

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Molotkov, V.I., Nefedov, A.P., Torchinskii, V.M. et al. Dust acoustic waves in a dc glow-discharge plasma. J. Exp. Theor. Phys. 89, 477–480 (1999).

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  • Spectroscopy
  • Dust
  • State Physics
  • Linear Model
  • Field Theory