Stochastic PLRC-FDTD Method for Modeling Wave Propagation in Unmagnetized Plasma

A stochastic finite-difference time domain (S-FDTD) combined with the piecewise linear recursive convolution method is applied to model wave propagation in unmagnetized plasma with random plasma frequency. The stretched-coordinate perfectly matched layer implementation of the S-FDTD method is also presented. The accuracy and efficiency of the proposed algorithm are validated by numerical examples.