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Simple model of dephasing for high-order harmonic generation in solids

机译:实验中高阶谐波产生的简单模型

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We analyze high-order harmonic generation (HHG) in a disordered semiconductor within the context of the Anderson model of disorder. Employing the theoretical methods pioneered for the study of disordered metals, we show that disorder is a source of ultrafast dephasing of the HHG signal in semiconductors. Furthermore, it is shown that the dephasing effect induced by disorder on HNC spectra depends on both strength and correlation length of the disorder and very weakly on the frequency and intensity of the laser. Our results suggest that HHG has the potential to be a new spectroscopic tool for the analysis of disordered solids. (C) 2020 Optical Society of America
机译:在疾病模型的疾病模型的背景下,我们在无序半导体中分析了高阶谐波生成(HHG)。 采用理论方法对紊乱的金属研究开创,我们表明疾病是半导体中HHG信号超快脱位的源。 此外,结果表明,在HNC光谱上诱导的紊乱诱导的脱位效果取决于疾病的强度和相关长度,并且在激光的频率和强度上非常弱。 我们的研究结果表明,HHG有可能成为一种新的光谱工具,用于分析无序固体。 (c)2020美国光学学会

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