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中文摘要：
采用基于Guo，Aberg和Crasemann发展的强激光场中的非微扰量子散射理论（GAC理论），研究了线偏振双色激光场中氪（Kr）原子阈上电离的光电子角分布，双色激光场由一系列相同的单周期激光脉冲组成．研究发现光电子角分布有强烈的住相依赖关系，且呈现出反演不对称性、喷射结构和展宽结构等现象．这为实验上通过改变双色激光场的相对相位来观察和控制光电子角分布提供了一种有效的方法．
英文摘要：
Using a nonperturbative scattering theory developed by Guo, Aberg and Crasemann （GAC theory） the angular distributions of electrons in above threshold ionization of Krypton（ Kr） atoms irridated by a bichromatic phase-controlled laser field of linear polarization is studied. The bichromatic phase-controlled laser field is composed of a sequence of identical one-cycle laser pulses. It is found that the angular distributions of electrons are varied by changing the relative phase between the bichromatic laser field, they show a strong phase dependence and also they appear inversion asymmetry,jet and broadding phenomena. This result supports the control of photoelectrons experimentally.
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