狄拉克材料中光学高谐波的产生

IF 1.7 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

The European Physical Journal B Pub Date : 2025-02-21 DOI:10.1140/epjb/s10051-025-00885-7

S. Rakhmanov, K. Matchonov, H. Yusupov, K. Nasriddinov, D. Matrasulov

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引用次数: 0

摘要

我们研究了石墨烯中由库仑杂质形成的光驱动一维和二维类氢原子产生的高次谐波。求解了具有库仑外加时间周期单色场势的时变狄拉克方程。计算了光学高次谐波产生的平均偶极矩和高次谐波产生谱等特性。提出了一种对所考虑模型进行桌面实验实现的草图。

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Optical high harmonic generation in Dirac materials

We study high-order harmonic generation by optically driven one- and two-dimensional hydrogen-like atoms formed by Coulomb impurities in graphene. The time-dependent Dirac equations with Coulomb plus time-periodic monochromatic field potentials are solved for both cases. Such characteristics of the optical high harmonic generation, as average dipole moment and high harmonic generation spectra, are computed. A sketch for table-top experimental realization of the considered models is proposed.

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