A comparison between the perfectly matched layer and the self-teleportation of fields conditions

One of the most important issues in the finite difference time domain (FDTD) method is the choice of the absorbing boundary condition (ABC) when applied to radiation problems. the most popular abc is the perfectly matched layer (PML), but it has some drawbacks in comparison to ABCs based on radiation boundary condition (RBC). More recently, Diaz and Scherbatko developed a new technique called self- teleportation of fields (STF), which lead to a new ABC. In this paper, a comparison is made between the PML and the STF in relation to the attenuation behavior and computational burden.