Probing the structure of multi-center molecules with odd

Probing the structure of multi-center molecules with odd–even high harmonics

Su Ning¹, Yu Shujuan^{1, 2, †}, Li Weiyan^{3, ‡}, Yang Shiping², Chen Yanjun^{1, §}

(color online) A sketch of the molecular geometry and the coordinate system used in the 2D simulations for . The polarization direction of the laser field is along the x axis. The molecular axis is located in the xoy plane with an angle θ to the x axis and the center of mass of the molecular system agrees with the origin of the coordinate system o. , , and denote the positions of these three nuclei of to the origin, respectively. , , and denote the positions of the electron to these three nuclei and denotes that to the origin. X₁ and X₂ are the internuclear distances between two adjacent nuclei.