ArticleScientific reports2017
Quantum - coherent dynamics in photosynthetic charge separation revealed by wavelet analysis.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Deep learning for classifying quantum emission signals in WSScientific reports · 2025Article
- Consciousness and Energy Processing in Neural Systems.Brain sciences · 2024Article
- Coupling and Slips in Photosynthetic Reactions-From Femtoseconds to Eons.Plants (Basel, Switzerland) · 2023Article
- Controlling photosynthetic energy conversion by small conformational changes.Physiologia plantarum · 2022Review
- Dynamics of diverse coherences in primary charge separation of bacterial reaction center at 77 K revealed by wavelet analysis.Photosynthesis research · 2022Article
- A TDDFT investigation of the Photosystem II reaction center: Insights into the precursors to charge separation.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- The future of quantum biology.Journal of the Royal Society, Interface · 2018Review
- Coherent phenomena in photosynthetic light harvesting: part two-observations in biological systems.Biophysical reviews · 2018Review
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7 authors.
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Abstract
Experimental/theoretical evidence for sustained vibration-assisted electronic (vibronic) coherence in the Photosystem II Reaction Center (PSII RC) indicates that photosynthetic solar-energy conversion might be optimized through the interplay of electronic and vibrational quantum dynamics. This evidence has been obtained by investigating the primary charge separation process in the PSII RC by two-dimensional electronic spectroscopy (2DES) and Redfield modeling of the experimental data. However, while conventional Fourier transform analysis of the 2DES data allows oscillatory signatures of vibronic coherence to be identified in the frequency domain in the form of static 2D frequency maps, the real-time evolution of the coherences is lost. Here we apply for the first time wavelet analysis to the PSII RC 2DES data to obtain time-resolved 2D frequency maps. These maps allow us to demonstrate that (i) coherence between the excitons initiating the two different charge separation pathways is active for more than 500 fs, and (ii) coherence between exciton and charge-transfer states, the reactant and product of the charge separation reaction, respectively; is active for at least 1 ps. These findings imply that the PSII RC employs coherence (i) to sample competing electron transfer pathways, and ii) to perform directed, ultrafast and efficient electron transfer.
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