On wave Excitation of Harmonic Oscillators with Randomly Varying Frequency in Inhomogeneous Non-Stationary Media

Abstract

A possibility of longitudinal and transverse electromagnetic wave excitation in randomly inhomogeneous non-stationary medium, modelled as a system of charged particle oscillators with own frequencies fluctuating in space and time, is examined in the present paper. An analytical expression for effective dielectric permittivity of the tensor is received for the case of an arbitrary correlation function of particle fluctuation frequency square, which allows to establish medium characteristic parameters. A possibility of attenuation or growing of waves generated in the medium under consideration is investigated.