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Communication Dans Un Congrès Année : 2007

Dependance of dust residual charge on plasma parameters

Résumé

The dust residual charge distribution in the late afterglow of a dusty plasma has been measured for different operating pressures. It has been shown that the dust charge distribution can be approximated by gaussian function with mean value close to −3e, rms about 1e and a tail in the positive charge region. Numerical simulations of the evolution of the dust charge distribution showed that the shape of the charge distribution is very dependent on the transition from ambipolar to free diffusion during the plasma decay process.

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Dates et versions

hal-00331244 , version 1 (15-10-2008)

Identifiants

  • HAL Id : hal-00331244 , version 1

Citer

Lénaïc Couëdel, Maxime Mikikian, Alexander A. Samarian, Laïfa Boufendi. Dependance of dust residual charge on plasma parameters. 34th European Physical Society Conference on Plasma Physics, Jul 2007, Varsovie, Poland. pp.O-5.008. ⟨hal-00331244⟩
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