超冷气体的二维电子光谱
原子物理
2023-01-16 v2
摘要
飞秒相干多维光谱学在超冷气体中得以演示。为此，采用相位调制光谱装置探测限制在磁光阱中的 800 K 冷 Li 原子样品的 跃迁。双量子相干响应的观测——粒子间相互作用的特征——为此技术用于超冷原子与分子气体中少体与多体效应的详细研究铺平了道路。该实验结合了 3 GHz 的频率分辨率与 200 fs 的潜在时间分辨率，从而允许在频域与时域对超冷原子与分子进行高分辨研究。
引用
@article{arxiv.2210.03023,
title = {Two-dimensional electronic spectroscopy of an ultracold gas},
author = {Friedemann Landmesser and Tobias Sixt and Katrin Dulitz and Lukas Bruder and Frank Stienkemeier},
journal= {arXiv preprint arXiv:2210.03023},
year = {2023}
}
备注
5 pages, 4 figures. This manuscript has been accepted for publication in Optics Letters. {\copyright}2022 Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited