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超快强激光场中离子的光离解:光电离标度规律的一个验证

, PP. 136-141

Keywords: 非线性光学,光离解,非微扰全量子散射理论,标度规律

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Abstract:

在量子电动力学框架下,采用全量子非微扰散射理论,研究了超快强激光场中离子的光离解。发现在保持周期数与载波-包络相位不变时,对相同的阈上离解峰,当用频率为γ倍,强度为γ3倍的激光激发结合能为γ倍的离子时,光电子的角分布不变,γ为任意正实数。这一研究验证了周期量级超短激光脉冲中光电离的标度规律。

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