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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Original Russian Text © A.M. Ignatov, 2009, published in Fizika Plazmy, 2009, Vol. 35, No. 8, pp. 704–708.