The Effect of Intense Non-Resonant Laser Fields on Gas Phase Reactive Collision Processes
The Effect of Intense Non-Resonant Laser Fields on Gas Phase Reactive Collision Processes
批准号:
9208458
负责人:
Larry Eno
金额:
$7.5万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-12-01 至 1997-05-31
中文摘要
在Larry Eno博士的指导下,克拉克森大学化学系的理论和计算化学项目正在支持一个关于反应性分子碰撞中电子表面之间激光诱导跃迁的理论研究项目。激光场在多大程度上可以作为共线反应动力学的探针,目前正在研究激光强度、场频率、偏振、碰撞能量、内能和其他因素的变化。考虑了旋转波击穿和多电子表面效应等并发症。当前化学物理学的一个主要问题是对化学反应过程中实际发生的事情有更深入的了解,即在短时间内,反应分子相互接近,经过中间过渡阶段,分离成产物。这个项目是一个理论研究,以确定如何激光探头可以用来提供信息在这一短暂的时期。
英文摘要
The Theoretical and Computational Chemistry Program in the Chemistry Division is supporting a project at Clarkson University under the supervision of Dr. Larry Eno on the theoretical study of laser-induced transitions between electronic surfaces in reactive molecular collisions. The extent to which the laser field can be used as a probe of the dynamics of a collinear reaction is being studied with regard to variation in the laser intensity, field frequency, polarization, collision energy, internal energy, and other factors. Complications such as rotating wave breakdown and multi-electronic surface effects are being considered. %%% A major current problem in chemical physics is to obtain greater understanding of what actually happens during the course of a chemical reaction, i.e., during the short time in which reacting molecules approach each other, pass through an intermediate transition stage, and separate as products. This project is a theoretical investigation to determine how laser probes can be used to provide information during this brief period.
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