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

Bo Gao
Phys. Rev. A 83, 062712 – Published 23 June 2011

Abstract

We present 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 an 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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  • Received 31 January 2011

DOI:https://doi.org/10.1103/PhysRevA.83.062712

©2011 American Physical Society

Authors & Affiliations

Bo Gao*

  • Department of Physics and Astronomy, Mailstop 111, University of Toledo, Toledo, Ohio 43606, USA

  • *bo.gao@utoledo.edu

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Vol. 83, Iss. 6 — June 2011

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