Space-charge dispersive transport in corona-charged dielectrics

Summary form only given. The authors suggest a model of space-charge dispersive transport in noncrystalline dielectrics under the condition of continuous surface carrier injection (corona charging). They consider a sample under open-circuit conditions with rear electrode grounded. Dispersive transport of injected space charge is described within the framework of the carrier multiple-trapping model with the Poisson equation being taken into consideration. Approximate analytical and numerical solutions of the equation for the dimensionless electric field have been obtained. Using these solutions one may calculate time-dependent spatial distributions of the field and space-charge density, and time dependences of voltage and carrier packet mean position