Ehrenfest+R dynamics. I. A mixed quantum–classical electrodynamics simulation of spontaneous emission
Journal Article
·
· Journal of Chemical Physics
- Pennsylvania State Univ., University Park, PA (United States)
- Arizona State Univ., Tempe, AZ (United States)
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
Cited by: 21 works
Citation information provided by
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