Efficient quantum formula for calculating pump-probe signals

Arne Keller; Claude M. Dion; Osman Atabek

doi:10.1117/12.308394

15 May 1998 Efficient quantum formula for calculating pump-probe signals

Arne Keller, Claude M. Dion, Osman Atabek

Proceedings Volume 3271, Laser Techniques for State-Selected and State-to-State Chemistry IV; (1998) https://doi.org/10.1117/12.308394
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

We derive a simple and efficient formula, from a second- order perturbation theory, for simulating pump-probe signals. The resulting formula clearly separates the pump and probe steps, describing them as a simple filtering process, and the evolution of the wavepacket which only takes place on the excited electronic state, where we look for dynamical information. The physical implications of this model for standard pump-probe experiments and also for pump- probe electron spectroscopy are discussed. The formula is applied to the HgAr van der Waals complex and is compared against an exact calculation.

Citation Download Citation

Arne Keller, Claude M. Dion, and Osman Atabek "Efficient quantum formula for calculating pump-probe signals", Proc. SPIE 3271, Laser Techniques for State-Selected and State-to-State Chemistry IV, (15 May 1998); https://doi.org/10.1117/12.308394

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