Abstract
A method for calculating the oscillator strengths for rovibrational transitions of a diatomic system within an approach that is not based on the Born-Oppenheimer (BO) approximation is presented. The non-BO wave functions representing the bound states of the system are expanded in terms of explicitly correlated Gaussian functions. The method is applied to calculate oscillator strengths for the HD+ ion for transitions between rotationless vibrational states and vibrational states which are rotationally singly excited. The effect of the asymmetry of the HD+ charge distribution on the oscillator strengths and on the lifetimes of the states is elucidated.
| Original language | English (US) |
|---|---|
| Article number | 012513 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 89 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 27 2014 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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