报告题目：Observation of electron-spin interactions between Rydberg atoms

报告人：陈丞 特聘研究员（中国科学院物理研究所）

报告时间：2026年8月19日（周三）下午4:00

报告地点：光电所二层报告厅

报告摘要：  

I'll report our recent experimental investigations on Rydberg interactions. the main result is the observation of electron-spin exchange interactions between Rydberg atoms, which are driven by spin-orbit coupling (SOC) through second-order dipole perturbation and exhibit spatial anisotropy governed by the atomic configuration. Specifically, we observe coherent electron-spin exchange dynamics, with the measured coupling strength agreeing well with both numerical calculations and theoretical models. Furthermore, we achieve active tunability of the interaction by applying microwave dressing and strong external magnetic fields. Finally, measuring spin dynamics in one-dimensional multi-atom chains aligned parallel and perpendicular to the magnetic field, provides a self-consistent validation of the anisotropic XXZ framework. Notably, near zero magnetic field, the spatial-orientation dependence of the spin exchange enables a natural mapping onto the Heisenberg-Kitaev model.

报告人简介：

陈丞，中国科学院物理研究所特聘研究员。2015年本科毕业于中国科学技术大学，2021年获清华大学博士学位，2021年9月-2024年8月在法国Institut d'Optique Graduate School  Antoine Browaeys小组做博士后，2024年中科院引进人才计划进入中国科学院研究所任特聘研究员。主要研究方向：基于里德堡原子阵列的量子模拟和量子计算实验研究。

责编丨冯   伟

二审丨曲睿娟

三审丨高   星