Quantum interference between spin-orbit split partial waves in the F plus HD → HF plus D reaction

被引：37

作者：

Chen, Wentao ^{[1
,2
]}

Wang, Ransheng ^{[3
]}

Yuan, Daofu ^{[1
,2
]}

Zhao, Hailin ^{[3
]}

Luo, Chang ^{[1
,2
]}

Tan, Yuxin ^{[1
,2
]}

Li, Shihao ^{[1
,2
]}

Zhang, Dong H. ^{[3
]}

Wang, Xingan ^{[1
,2
]}

Sun, Zhigang ^{[3
]}

Yang, Xueming ^{[3
,4
]}

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China

[3] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

[4] Southern Univ Sci & Technol, Coll Sci, Dept Chem, Shenzhen 518055, Peoples R China

来源：

SCIENCE | 2021年 / 371卷 / 6532期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

D O I：

10.1126/science.abf4205

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The effect of electron spin-orbit interactions on chemical reaction dynamics has been a topic of much research interest. Here we report a combined experimental and theoretical study on the effect of electron spin and orbital angular momentum in the F + HD -> HF + D reaction. Using a high-resolution imaging technique, we observed a peculiar horseshoe-shaped pattern in the product rotational-state-resolved differential cross sections around the forward-scattering direction. The unusual dynamics pattern could only be explained properly by highly accurate quantum dynamics theory when full spin-orbit characteristics were considered. Theoretical analysis revealed that the horseshoe pattern was largely the result of quantum interference between spin-orbit split-partial-wave resonances with positive and negative parities, providing a distinctive example of how spin-orbit interaction can effectively influence reaction dynamics.

引用

页码：936 / +

页数：29

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