Dusty plasmas: The effect of closely packed grains

Authors:
  • WXWenjun Xu
    Wenjun Xu
  • NDNicola D'ANgelo
    Nicola D'ANgelo
  • RMRobert L. Merlino
    Robert L. Merlino

Abstract
A dusty plasma device recently described in the literature has been utilized to study experimentally the charging of dust grains by the surrounding plasma. By varying the ratio d/λD between the intergrain distance and the plasma Debye length, the effects predicted by Goertz and Ip (1984), and subsequently reanalyzed in a more general fashion by Whipple et al. (1985), when “isolated” dust grains become “closely packed” grains have been demonstrated experimentally.
Keywords

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