Photoelectric charging of dust grains |
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Authors: | A. M. Ignatov |
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Affiliation: | 1.Prokhorov Institute of General Physics,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | Photoemission from the surface of a dust grain in vacuum is considered. It is shown that the cutoff in the energy spectrum of emitted electrons leads to the formation of a steady-state electron cloud. The equation describing the distribution of the electric potential in the vicinity of a dust grain is solved numerically. The dust grain charge is found as a function of the grain size. |
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