Resolving multi-orbital effects on high harmonic generation from aligned N2 molecules in linearly and elliptically polarized intense laser fields
Liang Hong-Jing, Fan Xin, Feng Shuang, Shan Li-Yu, Gao Qing-Hua, Yan Bo, Ma Ri †, Xu Hai-Feng, Ding Da-Jun
       

Structures of (a) HOMO and (b) HOMO-1 of N2 calculated at B3LYP/6-311++G**level with Gaussian 03[39] program and plotted with Multiwfn package.[40]