An efficient 3D DI-FDTD method for anisotropic magnetized plasma medium

An efficient three-dimensional (3D) direct integration (DI) finite-difference time-domain (FDTD) method is introduced to solve electromagnetic wave propagation problems in anisotropic magnetized plasma medium using matrix method. Compared with previous 3D FDTD plasma method, our method is more flexible in adjusting medium parameters thus can deal with varied mediums. Through several simulations, the correctness of the method are proven and the advantages are clarified. Finally, potential applications of this method are discussed, such as the further study of the ionosphere.