Theoretical treatment of intense laser fields influence on the femtosecond time-resolved photoelectron spectrum of RbI molecule

被引：2
|
作者：
Liu, Chunhua [1 ]
Meng, Qingtian [1 ]
Zhang, Qinggang [1 ]
机构：
[1] Shandong Normal Univ, Coll Phys & Elect, Dept Phys, Jinan 250014, Shandong, Peoples R China
来源：
CHEMICAL PHYSICS | 2006年 / 326卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
time-resolved photoelectron spectrum; time-dependent wave packet method; auto-ionization; multiphoton ionization;
D O I：
10.1016/j.chemphys.2006.02.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of laser fields on the RbI interaction potentials is obtained by the calculation of time-resolved photoelectron spectrum (TRPES) using the time-dependent wave-packet method. Both the normal three-photon ionization process and auto-ionization process are involved in the simulation. This complicated system which involves two ionization continua is successfully treated with a five-state model. The calculated results show not only that the crossings between excited states play important roles during the multiphoton ionization pump-probe process, but also that the intense laser field will change the position of relevant curves, and then influence the shape of the TRPES and ion signal. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：344 / 348
页数：5
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