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Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
Selective photodissociation in diatomic molecules by dynamical Stark-shift control
Hyeonho Choi1, Won-Joon Son, Seokmin Shin
1School of Chemistry, Seoul National University, Seoul, Republic of Korea.
The Journal of Chemical Physics
|March 19, 2008
Summary
This study demonstrates controlling molecular electronic states using Stark-chirped rapid adiabatic passage (SCRAP). This method achieves selective population transfer by manipulating wavepacket dynamics on light-induced potentials.
Area of Science:
- Quantum Chemistry
- Molecular Dynamics
- Laser Spectroscopy
Background:
- Selective population transfer is crucial for controlling molecular behavior.
- Traditional methods face challenges in complex molecular electronic systems.
- Understanding wavepacket dynamics is key to precise molecular control.
Purpose of the Study:
- To illustrate selective population transfer in dissociative molecular systems.
- To adapt and apply the Stark-chirped rapid adiabatic passage (SCRAP) control scheme.
- To investigate the control of wavepacket dynamics in molecular electronic states.
Main Methods:
- Utilizing Stark-chirped rapid adiabatic passage (SCRAP) for population transfer.
- Analyzing wavepacket dynamics on light-induced potentials.
- Employing pump and Stark pulses to control molecular states.
Main Results:
- Demonstrated complete population transfer in molecular electronic states.
- Showcased the complex nature of dynamical Stark shifts in molecules.
- Identified strategies for achieving population transfer: lowering energy barriers or using specific dressed states.
Conclusions:
- SCRAP is an effective scheme for selective population transfer in molecular systems.
- Precise control over molecular electronic states is achievable through tailored pulse sequences.
- The findings offer a pathway for advanced molecular manipulation and control.
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