Stueckelberg Oscillations in the Charge Transfer into the n=2 and n=3 Shells of He2+ on Collision with H
Journal Article
·
· International Journal of Quantum Chemistry
- Helmholtz-Zentrum Berlin
- University of Florida, Gainesville
- ORNL
Probabilities for charge transfer by He{sup 2+} impact on atomic H are calculated at low-collision energies using an ab initio theory, which solves the time-dependent Schroedinger equation. The charge transfer is interpreted in terms of radial and rotational couplings of molecular orbitals. Strong Stueckelberg oscillations for the charge transfer probability into the n = 2 shell of helium are observed over nearly the entire impact parameter range. The same oscillations are found for the charge transfer into the n = 3 shell in the impact parameter range from 2.5 a.u. upwards, whereas at impact parameters below 2.5 a.u. the oscillations disappear abruptly. This observation is associated with specific pathways along the potential curves, which are responsible for the charge transfer. Similarities with the interferences in Young's two-slit experiment are pointed out.
- Research Organization:
- Oak Ridge National Laboratory (ORNL)
- Sponsoring Organization:
- SC USDOE - Office of Science (SC)
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 965872
- Journal Information:
- International Journal of Quantum Chemistry, Journal Name: International Journal of Quantum Chemistry Journal Issue: 13 Vol. 109; ISSN IJQCB2; ISSN 0020-7608
- Country of Publication:
- United States
- Language:
- English
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