揭示激子形成：在时间、能量和动量域中探索早期阶段
机器人学
2025-07-10 v3 计算机视觉与模式识别
摘要
由于激子本身快速的时间尺度以及其能态靠近导带底部，分辨激子形成后早期阶段的动力学在时间、能量和动量上极具挑战性。本研究通过将时-角分辨光子能谱与 ab initio 数值模拟相结合，捕捉从光激发的载流子在导带中开始，经过自由激子形成，最终导致其在晶格变形中被捕获的激子早期动力学。所选材料是双硒化铋（），这是一种具有丰富电子结构中激子景观的层状半导体，无论是 Bulk 形式还是单层形式均如此。所获取的结果提供了对激子形成的完整表征，阐明了支撑超快半导体器件运行的物理现象的早期阶段。
引用
@article{arxiv.2412.02506,
title = {ROVER: A Multi-Season Dataset for Visual SLAM},
author = {Fabian Schmidt and Julian Daubermann and Marcel Mitschke and Constantin Blessing and Stefan Meyer and Markus Enzweiler and Abhinav Valada},
journal= {arXiv preprint arXiv:2412.02506},
year = {2025}
}
备注
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