线性三原子负离子光剥离总截面的振荡
Oscillations in the total photodetachment cross sections of a linear triatomic negative ion
摘要：
本文导出了线性三原子负离子在平行于分子离子轴的平面偏振光作用下的光剥离总截面。该截面显示出强烈的振荡，与最近报道的情况相反，其中激光偏振垂直于三原子分子离子的轴（Appl.Phys.Lett. 94，041125，2009）。闭合轨道理论被用来解释这些振荡，并与双原子分子的结果进行了比较。
英文摘要：
The total photodetachment cross section of a linear triatomic negative ion using plane polarized laser light parallel to the axis of the molecular ion is derived. The cross section shows strong oscillations in contrast to the recently reported case, where the laser polarization was perpendicular to the axis of the triatomic molecular ion (Appl. Phys. Lett. 94, 041125, 2009). Closed orbit theory is used to explain these oscillations and the results are compared with a diatomic molecule.
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