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应用经典系综方法模拟了反旋双色圆偏振激光场下Ar原子非次序双电离过程.双电离概率随激光强度变化曲线呈现出"knee"结构,表明了明显的电子关联特征.通过调节倍频与基频激光场的场强比可以实现对双电离的增强或抑制以及最优化.在"knee"结构区域的不同场强下,这种调控机制具有相似性.通过分析重碰撞和激发电离的时间特征,进一步讨论了反旋双色圆偏振激光场的强度对不同电离通道的控制规律. 相似文献
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Tunneling of Boseben-Einstein condensate and interference effect in a harmonic trap with a Gaussian energy barrier 下载免费PDF全文
The tunneling effect of Bose-Einstein condensate (BEC) in a harmonic trap with a Gaussian energy barrier is studied in this paper. The initial condensate evolves into two separate moving condensates after the tunneling time under certain conditions. The interference pattern between the two moving condensates is given as a comparison and as a further demonstration of the existence of the global phase. 相似文献
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强激光与一维多原子分子离子的相互作用及高次谐波的增强 总被引:1,自引:1,他引:0
研究强激光脉冲与-维多原子分子离子的相互作用,讨论双色激光场中高次谐波转化效率的提高,并应用经典三步模型说明高次谐波平台展宽的物理机制. 相似文献
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