Chemical pathways in ultracold reactions of SrF molecules

被引：17

作者：

Meyer, Edmund R.

Bohn, John L.

机构：

[1] Univ Colorado, JILA, NIST, Boulder, CO 80309 USA

[2] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

来源：

PHYSICAL REVIEW A | 2011年 / 83卷 / 03期

关键词：

DISSOCIATION-ENERGIES; CA;

D O I：

10.1103/PhysRevA.83.032714

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a theoretical investigation of the chemical reaction SrF + SrF -> products, focusing on reactions at ultralow temperatures. We find that bond swapping SrF + SrF -> Sr-2 + F-2 is energetically forbidden at these temperatures. Rather, the only energetically allowed reaction is SrF + SrF -> SrF2 + Sr, and even then only singlet states of the SrF2 trimer can form. A calculation along a reduced reaction path demonstrates that this abstraction reaction is barrierless and proceeds by one SrF molecule "handing off" a fluorine atom to the other molecule.

引用

页数：7

共 41 条

[1] Coherent Transfer of Photoassociated Molecules into the Rovibrational Ground State [J].