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Simulation domain; , , , ; is varied between 2 and
(Color online) Calculated current, and applied voltage as a function of time in the geometry of Fig. 1, for , relative permittivity of the dielectric. The voltage slope is .
Contours of constant ion density at four different times, corresponding to those indicated in Fig. 2, and for the conditions of Fig. 2. The density contours correspond to , , , , with indicated maximum contours.
(Color online) Space integrated, time averaged force parallel to the dielectric surface, (open symbols), for three different values of the voltage increase rate (, 120, and ), and space integrated instantaneous force parallel to the surface, , as a function of time, for . Geometry of Fig. 1 with .
(Color online) Mean value of the space integrated force parallel to the dielectric surface, as a function of electrode length , for different values of the voltage slope and relative permittivity.
(Color online) Length of the ion cloud just before breakdown as a function of the scaling parameter for and for different relative values of the permittivity.
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