Numerical modeling of laser tunneling ionization in explicit particle-in-cell codes.

M. Chen, E. Cormier-Michel, C.G.R. Geddes, D.L. Bruhwiler, L.L. Yu, E. Esarey, C.B. Schroeder and W.P. Leemans, “Numerical modeling of laser tunneling ionization in explicit particle-in-cell codes,” J. Comput. Phys. 236, 220 (2013).