Carrier envelope phase effect on the spatial distribution of high-order harmonic generation in asymmetric molecule
Zhang Jun, Liu Hai-Feng, Pan Xue-Fei, Du Hui, Guo Jing, Liu Xue-Shen†,
       

Spatial distribution in HHG of HeH2+ at different CEPs: (a) ϕ = 0, (b) ϕ = 0.25π, (c) ϕ = 0.75π, and (d) ϕ = π. The white dashed lines indicate the geometric center of two nuclei (z = 1.17 a.u.) and the equilibrium internuclear position of H nucleus (z = 3.11 a.u.).