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Updated: Jan 8, 2026
11:08
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
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Modeling Nonadiabatic Dynamics with Dissipation: Application to Cavity Polaritons.
Wanghuai Zhou1,2, Bernard Okine1,2, Dingyi Shen1,2
1Shiyan Key Laboratory of Quantum Information and Precision Optics, Hubei Key Laboratory of Energy Storage and Power Battery, School of Optoelectronic Engineering and School of New Energy, Hubei University of Automotive Technology, Shiyan 442002, People's Republic of China.
Journal of Chemical Theory and Computation
|December 22, 2025
Summary
This study introduces a novel simulation method combining quantum and classical approaches to model open quantum systems, specifically polaritons. The new method accurately captures dissipation effects, revealing their impact on chemical reactions.
Area of Science:
- Quantum dynamics
- Physical chemistry
- Computational physics
Background:
- Polaritons, formed by hybridizing matter and photons, are open quantum systems due to finite photon lifetimes.
- Accurately simulating nonadiabatic processes in these systems requires accounting for dissipation.
Purpose of the Study:
- To develop and test a novel simulation method for nonadiabatic dynamics in open quantum systems with dissipation.
- To investigate the influence of polariton dissipation on chemical reaction dynamics.
Main Methods:
- Combined Schrödinger-Langevin equation with split-operator Fourier transform.
- Employed mixed quantum-classical methods: Ehrenfest dynamics and fewest-switches surface hopping.
- Tested on spontaneous emission, Tully-I model with dissipation, and a lossy cavity isomerization model.
Main Results:
- The developed method consistently reproduced results across different test cases.
- Demonstrated that polariton dissipation significantly alters isomerization reaction pathways.
- Validated the accuracy and applicability of the combined simulation approach.
Conclusions:
- The novel simulation approach effectively models nonadiabatic dynamics in open quantum systems with dissipation.
- This method offers a valuable tool for studying polariton behavior and its influence on chemical processes.
- Potential for broad applications in quantum dynamics and related scientific fields.
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