物理学科Seminar第792讲 突破边界:溶剂支撑电子态的非绝热模拟)

创建时间:  2026/03/23  邵奋芬   浏览次数:   返回

报告题目(Title):Pushing boundaries: nonadiabatic simulations of solvent-supported electronic states(突破边界:溶剂支撑电子态的非绝热模拟)

报告人(Speaker):William J.Glover(上海纽约大学)

报告时间(Time):2026年3月26日(星期三)14:00

报告地点(Place): 上大宝山校区东区7号楼510会议室

邀请人(Inviter):任伟教授,李永乐教授

主办部门:理学院物理系

摘要(Abstract):

Research focuses on solvent-supported states, using the aqueous solvated electron e⁻(aq) as a key example. Recent time-resolved photoelectron experiments reveal an ultrafast 50‑fs deactivation upon photoexcitation, challenging previous models based on ~200‑fs solvation dynamics. To address this, a dynamically adaptive QM/MM embedding method was developed that automatically adjusts the QM/MM boundary during simulations, rigorously preserving ensemble averages and leaving the QM dynamics unperturbed. Combined with nonadiabatic dynamics, this approach rationalizes the ultrafast excited‑state lifetime of e⁻(aq) from an electron‑transfer perspective, opening the door to studying solution‑phase reactions where a quantum description of the solvent is essential.

(研究聚焦于溶剂支撑态,以水合溶剂化电子 e⁻(aq) 为代表体系。近期时间分辨光电子实验揭示了光激发后存在50飞秒的超快失活过程,这与此前基于约200飞秒溶剂化动力学的模型相悖。为此,研究者发展了一种动态自适应QM/MM嵌入方法,能够在模拟过程中自动调整QM/MM边界,在严格保持系综平均的同时不扰动量子动力学。该方法与非绝热动力学相结合,从电子转移的角度合理阐释了 e⁻(aq) 超快激发态寿命的机制,为研究需对溶剂进行量子描述的重要溶液相反应开辟了新途径。)

上一条:数学学科Seminar第3011讲 高阶Hardy-Sobolev-Mazya不等式极值的存在性

下一条:物理学科Seminar第791讲 计算方法与人工智能在材料性能理解中的应用


物理学科Seminar第792讲 突破边界:溶剂支撑电子态的非绝热模拟)

创建时间:  2026/03/23  邵奋芬   浏览次数:   返回

报告题目(Title):Pushing boundaries: nonadiabatic simulations of solvent-supported electronic states(突破边界:溶剂支撑电子态的非绝热模拟)

报告人(Speaker):William J.Glover(上海纽约大学)

报告时间(Time):2026年3月26日(星期三)14:00

报告地点(Place): 上大宝山校区东区7号楼510会议室

邀请人(Inviter):任伟教授,李永乐教授

主办部门:理学院物理系

摘要(Abstract):

Research focuses on solvent-supported states, using the aqueous solvated electron e⁻(aq) as a key example. Recent time-resolved photoelectron experiments reveal an ultrafast 50‑fs deactivation upon photoexcitation, challenging previous models based on ~200‑fs solvation dynamics. To address this, a dynamically adaptive QM/MM embedding method was developed that automatically adjusts the QM/MM boundary during simulations, rigorously preserving ensemble averages and leaving the QM dynamics unperturbed. Combined with nonadiabatic dynamics, this approach rationalizes the ultrafast excited‑state lifetime of e⁻(aq) from an electron‑transfer perspective, opening the door to studying solution‑phase reactions where a quantum description of the solvent is essential.

(研究聚焦于溶剂支撑态,以水合溶剂化电子 e⁻(aq) 为代表体系。近期时间分辨光电子实验揭示了光激发后存在50飞秒的超快失活过程,这与此前基于约200飞秒溶剂化动力学的模型相悖。为此,研究者发展了一种动态自适应QM/MM嵌入方法,能够在模拟过程中自动调整QM/MM边界,在严格保持系综平均的同时不扰动量子动力学。该方法与非绝热动力学相结合,从电子转移的角度合理阐释了 e⁻(aq) 超快激发态寿命的机制,为研究需对溶剂进行量子描述的重要溶液相反应开辟了新途径。)

上一条:数学学科Seminar第3011讲 高阶Hardy-Sobolev-Mazya不等式极值的存在性

下一条:物理学科Seminar第791讲 计算方法与人工智能在材料性能理解中的应用