Tools
ToolsFord, Jack, Salam, Akbar and Jones, Garth (2019) A quantum electrodynamics description of quantum coherence and damping in condensed phase energy transfer. The Journal of Physical Chemistry Letters, 10 (18). pp. 5654-5661. ISSN 1948-7185
Preview |
PDF (Accepted_Manuscript)
- Accepted Version
Download (1MB) | Preview |
Abstract
Quantum coherence in condensed phase electronic resonance energy transfer (RET) is described within the context of quantum electrodynamics (QED) theory. Mediating dressed virtual photons (polaritons) are explicitly incorporated into the treatment and coherence is understood within the context of interfering Feynman pathways connecting the initial and final states for the RET process. The model investigated is that of an oriented three-body donor, acceptor and mediator RET system embedded within a dispersive and absorbing polarizable medium. We show how quantum coherence can significantly enhance the rate of RET and give a rigorous picture for subsequent decoherence that is driven by both phase and amplitude damping. Energy conserving phase damping occurs as a result of geometric and dispersive effects and is associated with destructive interference between Feynman pathways. Dissipative amplitude damping, on the other hand, is attributed to vibronic relaxation and absorptivity of the medium and can be understood as virtual photons (polaritons) leaking into the environment. This model offers insights into the emergence of coherence and subsequent decoherence for energy transfer in photosynthetic systems.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Chemistry (former - to 2024) |
| UEA Research Groups: | Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science |
| Depositing User: | LivePure Connector |
| Date Deposited: | 19 Sep 2019 14:30 |
| Last Modified: | 25 Sep 2024 14:16 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/72299 |
| DOI: | 10.1021/acs.jpclett.9b02183 |
Downloads
Downloads per month over past year
Actions (login required)
 |
View Item |