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Propagation of transient field radiated from plane disk in nonlinear medium

The evolutionary approach is applied to the problem of radiation of impulse transient electromagnetic field from plane disk with homogeneous distribution of given electrical current. The set of evolutionary equations on time and longitudinal coordinate was received from Maxwell equations. The analytical solution of linear problem of plane disk radiation is obtained by Riemann function method in time domain. It is shown the accounting of a weak nonlinearity of a medium by method of successive approximations.