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Updated: Jun 24, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Different flavors of exact-factorization-based mixed quantum-classical methods for multistate dynamics
Evaristo Villaseco Arribas1, Patricia Vindel-Zandbergen1,2, Saswata Roy1
1Department of Physics, Rutgers University, Newark 07102, New Jersey, USA. neepa.maitra@rutgers.edu.
Abstract:
The exact factorization approach has led to the development of new mixed quantum-classical methods for simulating coupled electron-ion dynamics. We compare their performance for dynamics when more than two electronic states are occupied at a given time, and analyze: (1) the use of coupled versus auxiliary trajectories in evaluating the electron-nuclear correlation terms, (2) the approximation of using these terms within surface-hopping and Ehrenfest frameworks, and (3) the relevance of the exact conditions of zero population transfer away from nonadiabatic coupling regions and total energy conservation. Dynamics through the three-state conical intersection in the uracil radical cation as well as polaritonic models in one dimension are studied.
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