Theoretical study of the odd–even-order harmonic generation for asymmetric ions in non-Born–Oppenheimer approximation
Yue Sheng-Jun1, 2, Du Hong-Chuan1, 2, †, Wu Hong-Mei1, 2, Xue Shan1, 2, Zhao Jia-Chen1, 2, Hu Bi-Tao1, 2, ‡
       

The harmonic spectra calculated with for (a) HD and (b) HeH.