New mechanism of dust growth and gravitation-like instabilities in astrophysical plasmas

Bingham, R. and Tsytovich, V. N. (2001) New mechanism of dust growth and gravitation-like instabilities in astrophysical plasmas. Astronomy and Astrophysics, 376 (3). L43-L47. ISSN 0004-6361 (https://doi.org/10.1051/0004-6361:20011103)

Abstract

Dust growth by agglomeration due to a new mechanism of dust attraction is shown to compete in space plasmas with the standard accretion mechanism by neutral particles. We demonstrate that dust growth by accretion of neutrals and plasma particles is aided by a pressure force due to a shadowing effect first proposed (Bingham & Tsytovich 2001) to explain rapid growth of dust in laboratory discharges. Consequences of this new force promoting dust growth by agglomeration in astrophysics are discussed including the role of a new gravitational-like instability which produces clumping enhancing the rate of gravitational collapse.

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• Item metadata

  Item type:	Article
  ID code:	52576
  Dates:	Date Event 4 September 2001 Published
  Subjects:	Science > Astronomy Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	10 Apr 2015 15:34
  Last modified:	08 Apr 2024 22:05
  URI:	https://strathprints.strath.ac.uk/id/eprint/52576