提出了一个新的处理强光中基态氦原子阈上电离谱的解析模型。
A new analytical model for the ATI spectra of ground state He-atom in strong laser fields is proposed in this paper.
由这个模型算得的基态氦原子阈上电离谱同最近的实验结果作了比较。
It is found that the calculated ATI spectra by the model fits the recent experimental spectra very well.
这样，我们就可以观察到一些新的现象，如多光子过程，阈上电离，隧道电离等。
In this case, many interesting phenomena of excitation and photoionization can be observed, for instance, muti-photon ionization, above threshold ionization, tunnel ionization and so on.
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。
It is shown that autoionization will make processes of above-threshold ionization more complicated and a lot of new effects will appear.
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。
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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