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首页> 外文期刊>IEEE Journal of Quantum Electronics >Multielectron Effect for High-Order Harmonic Generation From Molecule Irradiated by Bichromatic Counter-Rotating Circularly Polarized Laser Pulses
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Multielectron Effect for High-Order Harmonic Generation From Molecule Irradiated by Bichromatic Counter-Rotating Circularly Polarized Laser Pulses

机译:由双旋转圆偏振激光脉冲照射的分子高阶谐波产生的多电元件效应

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摘要

We investigated high-order harmonic generation in molecules N2 and C6H6 irradiated by bichromatic counterrotating circularly polarized laser pulses by using time-dependent density-functional theory methods. It is found that 3N ( N is an integer) order harmonics in C6H6 disappear. Whereas, N order harmonics are obtained in N2. Analysis of the high harmonic generated from individual electronic orbital of the molecule, shows that, the characteristics of harmonic spectra are determined by the spatial distribution of electronic orbits. Moreover, effects of molecular orientation on harmonic emission are also presented.
机译:通过使用时间依赖的密度功能理论方法,通过使用时间依赖性密度函数理论方法研究了通过双偏振圆偏振激光脉冲照射的分子N2和C6H6中的高阶谐波产生。发现C6H6中的3N(n是整数)谐波消失。虽然,N命令谐波是在N2中获得的。分子从单独的电子轨道产生的高谐波分析,表明,谐波光谱的特性由电子轨道的空间分布确定。此外,还提出了分子取向对谐波排放的影响。

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