Lie algebraic approach to multiphoton excitation of diatomic molecules in intense laser fields
✍ Scribed by Ying Dai; Shi-liang Ding
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 315 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0020-7608
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✦ Synopsis
The quadratic anharmonic oscillator Lie algebraic model is used to study the multiphoton transition of the diatomic molecule placed in intense laser fields. The multiphoton excitation of vibration and vibration-rotation of diatomic molecules in intense laser fields are discussed. In the pure vibration transition we calculate the transition probability versus the frequency of the laser fields for the CO molecule. We also investigate the roles of rotational motion in multiphoton processes and compare with pure vibration for the LiH molecule. The influences of the angular quantum number l and the molecular orientations in laser fields on the multiphoton processes are discussed. The averaged absorb energy changing with the laser field's frequency is calculated.