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多电子原子都存在自电离过程,本文研究了存在自电离时的阈上离化过程,利用一个简化模型得到了光电子谱的解析表达式。结果表明,自电离的存在使阈上离化过程更为复杂,导致许多新现象的产生。A simple model of above-threshold ionization which takes into account the processes of autoionization has been studied and the analytic solution of photoelectron spectra is presented. The effects of autoionization on abovethreshold ionization are discussed. It is shown that autoionization will make processes of above-threshold ionization more complicated and a lot of new effects will appear.
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