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Title: Ehrenfest+R dynamics. I. A mixed quantum–classical electrodynamics simulation of spontaneous emission

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.5057365· OSTI ID:1613216

The dynamics of an electronic system interacting with an electromagnetic field is investigated within mixed quantum–classical theory. Beyond the classical path approximation (where we ignore all feedback from the electronic system on the photon field), we consider all electron–photon interactions explicitly according to Ehrenfest (i.e., mean-field) dynamics and a set of coupled Maxwell–Liouville equations. Because Ehrenfest dynamics cannot capture certain quantum features of the photon field correctly, we propose a new Ehrenfest+R method that can recover (by construction) spontaneous emission while also distinguishing between electromagnetic fluctuations and coherent emission.

Research Organization:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0019397
OSTI ID:
1613216
Journal Information:
Journal of Chemical Physics, Vol. 150, Issue 4; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

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Cited By (7)

Ehrenfest+R dynamics. II. A semiclassical QED framework for Raman scattering journal January 2019
Benchmarking semiclassical and perturbative methods for real-time simulations of cavity-bound emission and interference journal December 2019
Cumulant expansion for the treatment of light–matter interactions in arbitrary material structures journal January 2020
Understanding detailed balance for an electron-radiation system through mixed quantum-classical electrodynamics journal July 2019
Capturing vacuum fluctuations and photon correlations in cavity quantum electrodynamics with multitrajectory Ehrenfest dynamics journal June 2019
Understanding Detailed Balance for an Electron-Radiation System Through Mixed Quantum-Classical Electrodynamics text January 2019
Benchmarking Semiclassical and Perturbative Methods for Real-time Simulations of Cavity-Bound Emission and Interference text January 2019