Theoretical Chemistry Accounts

, 131:1289 | Cite as

Time-dependent density functional theory study of charge transfer in collisions

  • Guillermo Avendaño-Franco
  • Bernard Piraux
  • Myrta Grüning
  • Xavier Gonze
Regular Article
Part of the following topical collections:
  1. Theoretical and Computational Chemistry in Belgium Collection

Abstract

We study the charge transfer between colliding ions, atoms, or molecules, within time-dependent density functional theory. Two particular cases are presented, the collision between a proton and a Helium atom, and between a gold atom and a butane molecule. In the first case, proton kinetic energies between 16 keV and 1.2 MeV are considered, with impact parameters between 0.31 and 1.9 Å. The partial transfer of charge is monitored with time. The total cross-section is obtained as a function of the proton kinetic energy. In the second case, we analyze one trajectory and discuss spin-dependent charge transfer between the different fragments.

Keywords

Time-dependent density functional theory Charge transfer Collisions 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Guillermo Avendaño-Franco
    • 1
  • Bernard Piraux
    • 1
  • Myrta Grüning
    • 2
  • Xavier Gonze
    • 1
  1. 1.Université Catholique de Louvain (UCL)Louvain-la-NeuveBelgium
  2. 2.Center for Computational Physics and Physics DepartmentUniversidade de CoimbraCoimbraPortugal

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