Signatures of a Conical Intersection in Attosecond Transient Absorption Spectroscopy

被引：22
作者：
Baekhoj, Jens E. [1 ]
Leveque, Camille [2 ]
Madsen, Lars Bojer [2 ]
机构：
[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[2] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
来源：
PHYSICAL REVIEW LETTERS | 2018年 / 121卷 / 02期
关键词：
MOLECULAR-SPECTROSCOPY; DYNAMICS;
D O I：
10.1103/PhysRevLett.121.023203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We characterize attosecond transient absorption spectroscopy (ATAS) in molecules with coupled nuclear and electronic dynamics in the vicinity of a conical intersection between adiabatic potential energy surfaces. With respect to ATAS, the nonadiabatic vibronic coupling strength can be divided into weak, intermediate, and strong, and the characteristics of spectra belonging to each of these domains are discussed. The results can guide the analysis of ATAS experiments in molecules with conical intersections.
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页数：6
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