Influence of relative phase on the nonsequential double ionization process of CO2 molecules by counter-rotating two-color circularly polarized laser fields |
Mian Peng,Li-Hua Bai,Zhen Guo |
Figure 8. Momentum distributions of electrons in the CRTC laser field. The wavelength is 1600 nm and 800 nm, and the laser intensities $2\times {10}^{14}\,{\rm{W}}\,{{\rm{cm}}}^{-2}.$ The relative phase for (a) $\phi =0,$ (b) $\phi =\pi /8,$ (c) $\phi =3\pi /8,$ (d) $\phi =\pi /2.$ |