近日，韩国三星电子有限公司的Sang Ki Nam&Sung-Ho Jang&Je-Hoi Mun及其研究团队取得一项新进展。经过不懈努力，他们利用半经典图像分析电子和离子之间的量子光学辐射复合。相关研究成果已于2024年10月23日在国际知名学术期刊《物理评论A》上发表。

该研究团队采用半经典方法分析了电子与离子之间的量子光学辐射复合过程，同时保留了其特定的量子光学特性。在适中的强驱动场条件下，量子光学模型的结果在光谱强度和相位方面与半经典推导的结果一致。他们研究了在极强驱动场条件下观察到的两种模型之间的差异，从时域和频域两个角度深入探讨了其背后的原因。

此外，该量子模型还可以模拟自由电子与裸离子之间的辐射复合动力学。近几十年来，结合经典光学方程的半经典模型已成为研究非线性生成光宏观累积的直观且强大的工具。

在这种宏观方法中，单个原子辐射的相位信息起着至关重要的作用。由于该模型能够提供来自单个原子的量子光学光的光谱相位，因此现在可以通过传统的半经典模型方法，来探索特定量子光学辐射及相关现象的宏观累积过程。

附：英文原文

Title: Quantum-optical radiative recombination between electrons and ions analyzed with a semiclassical picture

Author: Je-Hoi Mun, Sung-Ho Jang, Sang Ki Nam

Issue&Volume: 2024/10/23

Abstract: In this work, quantum-optical radiative recombinations between electrons and ions are analyzed using a semiclassical approach without losing their specific quantum-optical nature. Under moderately strong driving field conditions, the results of the quantum-optical model are consistent with the semiclassically derived results in terms of both the spectral intensity and phase. Deviations between the two models, which are observed under extremely strong driving field conditions, are investigated in the time and frequency domains to clarify the underlying reasons. In addition, the radiative recombination dynamics between a free electron and a bare ion can be simulated using our quantum model. In recent decades, the semiclassical model combined with the classical equations of light has been used as an intuitive and powerful tool to study the macroscopic buildup of nonlinearly generated light. In this macroscopic approach, the phase information of individual atomic radiations plays an essential role. Since our model can provide spectral phases of quantum-optical lights generated from individual atoms, it is now feasible to pursue the macroscopic buildup of specific quantum-optical radiations and relevant phenomena by using the conventional approach used for the semiclassical model.

DOI: 10.1103/PhysRevA.110.043115

Source: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.110.043115