My recent research area is developing an advanced computational method to study interactions between radio frequency (RF) waves and fusion plasmas. The research (working with John R. Cary) is mainly focused in the investigation of nonlinear effects on plasma-wave interaction in different frequency regimes by using particle-in-cell simulations (PIC). The nonlinear processes explored include the parametric decay, second harmonic generation of the incident wave and nonlinear Landau damping of RF waves.
N. Xiang and J. R. Cary, "Second harmonic generation of electron Bernstein waves in an inhomogeneous plasma," Phys. Rev. Lett., 100, 085002 (2008).
J.R. Cary and N. Xiang, "Wave excitation in inhomogeneous plasma dielectric media", Phy. Rev. E, Vol.76 (2007) 055401.
N. Xiang, J.R. Cary, Daniel Barnes and Johan Carlson, Low-noise electromagnetic f particle-in-cell simulation of electron Bernstein waves, Phys. Plasma, Vol 13 (2006) 062111.