报告题目

Nonadiabatic dynamics with electronic and vibrational strong couplings to light

报告人

窦文杰

报告人单位

西湖大学

报告时间

2023年3月17日  9:00-10:00

报告地点

物质科研楼B楼1301会议室

主办单位

合肥微尺度物质科学国家研究中心 国际化学理论中心（ICCT）、化学与材料科学学院

报告介绍

Abstract:

Light can modify chemical reactions and nonadiabatic electron transfer processes strenuously, particularly when we have strong light-matter interactions. In the case of strong light-matter interactions, the traditional perturbation theory fails. In this talk, I will present our newly developed dynamical methods for treating strong light-matter interactions at metal surfaces as well as inside an optical cavity. Such a scenario is very relevant to photoelectrochemistry, photo-catalysis, and molecular polaritonic chemistry. In the case of strong vibrational couplings, we derive a Langevin equation, where cavity induced friction can enhance and suppress the rate processes. In the case of electronic strong couplings, we arrive at a Floquet surface hopping and Floquet electronic friction approaches. We also formulate a Marcus-like nonadiabatic electron transfer rate. We find that the electron transfer rate shows a turnover as a function of the driving frequency of light.

About the speaker:

窦文杰，2013在中国科学技术大学取得物理学学士学位。2018年在宾夕法尼亚大学(University of Pennsylvania)取得化学博士学位，方向为理论计算化学。之后在加州大学伯克利分校(University of California, Berkeley)从事博士后研究。于2021年1月加入西湖大学开展独立研究工作。研究方向为激发态动力学和电子结构在复杂体系中的方法发展和应用，包括开放量子体系，光与物质强耦合，随机轨道电子结构方法。