Quantum Langevin model for exoergic ion-molecule reactions and inelastic processes

Details Quantum Langevin model for exoergic ion-molecule reactions and inelastic processes Quantum Langevin model for exoergic ion-molecule reactions and inelastic processes

2011-05-08

arxiv.org/abs/1105.1545v1

Physical Review A 83, 062712 (2011)

Physics

Chemical Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevA.83.062712

We presents a fully quantal version of the Langevin model for the total rate of exoergic ion-molecule reactions or inelastic processes. The model, which is derived from a rigorous multichannel quantum-defect formulation of bimolecular processes, agrees with the classical Langevin model at sufficiently high temperatures. It also gives the first analytic description of ion-molecule reactions and inelastic processes in the ultracold regime where the quantum nature of the relative motion between the reactants becomes important.

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