【摘 要】
：
半经典闭合轨道在外场和激光参数的某些值附近发生分岔,导致波函数的发散,使原有的半经典闭合轨道理论失效.计算了高激发的Li原子在标度能量为ε=-2.94，标度电场在135.86〈F-1
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半经典闭合轨道在外场和激光参数的某些值附近发生分岔,导致波函数的发散,使原有的半经典闭合轨道理论失效.计算了高激发的Li原子在标度能量为ε=-2.94，标度电场在135.86〈F-1/4〈160.11范围内光吸收谱的Fourier变换,分析了轨道分岔现象及其影响,并采用了一种适用于不同能域的统一近似方法修正了分岔点附近波函数.计算中考虑了原子实多重散射组合回归效应,并把所得回归谱与用标准半经典闭合轨道理论对Li原子及H原子的计算结果相比较,证明了轨道分岔效应的重要性.
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