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量子干涉效应的观测与干涉相位角的测定

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摘要 利用光学双共振多光子电离技术在CO(A^1Ⅱ,e^3∑^-)混合态分子内传能中观测到碰撞过程中的量子干涉效应。导出的混合态传能截面的表达式中显含干涉项,并引入了干涉相位角θ_(ST)的概念来表征单重态和三重态两个传能通道的相于程度。在不同温度下,对一些单原子或双原子分子作为碰撞伴时的θ_(ST)进行了测量,测量结果揭示了不同分子间碰撞相互作用的动态学信息。
基金 国家自然科学基金(批准号:29503023)
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