Physics – Quantum Physics
Scientific paper
2009-11-28
Phys. Rev. E, 83, 011906 (2011)
Physics
Quantum Physics
9 pages, 2 figures. New results in this version. Published version
Scientific paper
Several recent studies of energy transfer in photosynthetic light harvesting complexes have revealed a subtle interplay between coherent and decoherent dynamic contributions to the overall transfer efficiency in these open quantum systems. In this work we systematically investigate the impact of temporal and spatial correlations in environmental fluctuations on excitation transport in the Fenna-Matthews-Olson photosynthetic complex. We demonstrate that the exact nature of the correlations can have a large impact on the efficiency of light harvesting. In particular, we find that (i) spatial correlations can enhance coherences in the site basis while at the same time slowing transport, and (ii) the overall efficiency of transport is optimized at a finite temporal correlation that produces maximum overlap between the environmental power spectrum and the excitonic energy differences, which in turn results in enhanced driving of transitions between excitonic states.
Cheng Yuan-Chung
Sarovar Mohan
Whaley Birgitta K.
No associations
LandOfFree
Environmental correlation effects on excitation energy transfer in photosynthetic light harvesting does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Environmental correlation effects on excitation energy transfer in photosynthetic light harvesting, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Environmental correlation effects on excitation energy transfer in photosynthetic light harvesting will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-149239