Interactions and dynamics in Li+Li2 ultracold collisions.
A potential energy surface for the lowest quartet electronic state ((4)A(')) of lithium trimer is developed and used to study spin-polarized Li+Li(2) collisions at ultralow kinetic energies. The potential energy surface allows barrierless atom exchange reactions. Elastic and inelastic cross sections are calculated for collisions involving a variety of rovibrational states of Li(2). Inelastic collisions are responsible for trap loss in molecule production experiments. Isotope effects and the sensitivity of the results to details of the potential energy surface are investigated. It is found that for vibrationally excited states, the cross sections are only quite weakly dependent on details of the potential energy surface.
Cvitas
Marko T
MT
Department of Chemistry, University of Durham, South Road, Durham DH1 3LE, United Kingdom.
Soldán
Pavel
P
Hutson
Jeremy M
JM
Honvault
Pascal
P
Launay
Jean-Michel
JM