Analytic solutions of a model for radiation-induced conductivity in insulators

Abstract
A model for radiation‐induced bulk electrical conductivity in insulators is developed and discussed. The characteristic equations are coupled nonlinear stiff differential equations for which analytical solutions are presented. Solutions are given for the buildup of conductivity during constant irradiation and the decay of conductivity following interruption of irradiation. The long‐time asymptotic results agree favorably with previous experimental data.

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