期刊
CHEMICAL PHYSICS LETTERS
卷 793, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cplett.2022.139462
关键词
Non-adiabatic dynamics; Electronic current; Radical reactions; Spin current
资金
- JSPS KAKENHI [JP15H05752, JP20H00373]
The development of attosecond technologies has enabled real-time control of electronic dynamics. In this study, we propose the use of spin flux as a means to monitor radical bond-rearrangement reactions in real-time. Using the reaction H. + H-2 as an illustrative example, we demonstrate that spin flux induces spin-polarization in the molecular target, weakening the covalent bond and possibly leading to bond cleavage. This mechanism aligns with the three-stage mechanism proposed by Nagase et al. in radical reactions.
Development in attosecond technologies has been realizing real-time control of electronic dynamics. As a useful means for real-time monitoring of radical bond-rearrangement reactions, we introduce spin flux to track the dynamics of spin density in them. As an illustrative example, we show the spin flux in the course of the basic radical reaction H. + H-2. It is demonstrated that spin flux induces spin-polarization in the molecular target (H-2) to weaken the covalent bond, thus leading to possible bond cleavage. The mechanism shown here is in harmony with the three-stage mechanism in radical reactions by Nagase et al.& nbsp;
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