On the physics of dust grains in hot gas.

@article{Draine1979OnTP,
  title={On the physics of dust grains in hot gas.},
  author={B. Draine and E. Salpeter},
  journal={The Astrophysical Journal},
  year={1979},
  volume={231},
  pages={77-94}
}
Charging of dust grains in hot (10/sup 4/--10/sup 9/ K) plasma is studied, including photoelectron and secondary electron emission, field emission, and transmission of electrons and ions through the grain; resulting grain potentials are (for T > or approx. = 10/sup 5/ K) considerably smaller in magnitude than found by Burke and Silk. Even so, large electrostatic stresses can cause ion field emission and rapid destruction of small grains in very hot gas. Rapid rotation can also disrupt small… Expand
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