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Nonadiabatic nuclear dynamics of atomic collisions based on branching classical trajectories
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Astrophysics.
2011 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 84, no 1, 014701- p.Article in journal (Refereed) Published
Abstract [en]

The branching classical trajectory method for inelastic atomic collision processes is proposed. The approach is based on two features: (i) branching of a classical trajectory in a nonadiabatic region and (ii) the nonadiabatic transition probability formulas particularly adapted for a classical trajectory treatment. In addition to transition probabilities and inelastic cross sections, the proposed approach allows one to calculate incoming and outgoing currents. The method is applied to inelastic Na + H collisions providing the results in reasonable agreement with full quantum calculations.

Place, publisher, year, edition, pages
2011. Vol. 84, no 1, 014701- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-156947DOI: 10.1103/PhysRevA.84.014701ISI: 000293003700015OAI: oai:DiVA.org:uu-156947DiVA: diva2:435839
Available from: 2011-08-20 Created: 2011-08-11 Last updated: 2017-12-08Bibliographically approved

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