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通过数值方法求解一维模型原子的含时薛定谔方程 ,研究了双色场对电离的相干控制 ,分别讨论了基频光与其二次或三次谐波的耦合 ,通过对这两种组合的比较发现由于相干叠加效应的不同 ,其电离率也有很大的差异。
The time-dependent Schrödinger equation of a one-dimensional model atom is solved numerically. The coherent control of the two-color field on ionization is studied. The coupling of the fundamental frequency light with the second or third harmonic is discussed respectively. By comparing these two combinations, Coherent superposition of different effects, the ionization rate is also very different.