Ehrenfest+R Dynamics II: A Semiclassical QED Framework for Raman Scattering
arXiv:1809.04498 · doi:10.1063/1.5057366
Abstract
In a previous paper, we introduced Ehrenfest+R dynamics for a two-level system and showed how spontaneous emission can be heuristically included such that, after averaging over an ensemble of Ehrenfest+R trajectories, one can recover both coherent and incoherent electromagnetic fields. In the present paper, we now show that Ehrenfest+R dynamics can also correctly describe Raman scattering, whose features are completely absent from standard Ehrenfest dynamics. Ehrenfest+R dynamics appear to be quantitatively accurate both for resonant and off-resonant Raman signals, as compared with Kramers-Heisenberg-Dirac (KHD) theory.
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- Cumulant expansion for the treatment of light-matter interactions in arbitrary material structures
- Quasiclassical Modeling of Cavity Quantum Electrodynamics
- Ehrenfest+R Dynamics I: A Mixed Quantum-Classical Electrodynamics Simulation of Spontaneous Emission
- A Comparison of Different Classical, Semiclassical and Quantum Treatments of Light-Matter Interactions: Understanding Energy Conservation
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- Understanding polaritonic chemistry from ab initio quantum electrodynamics
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