ArticleNature chemistry2018
Coherent wavepackets in the Fenna-Matthews-Olson complex are robust to excitonic-structure perturbations caused by mutagenesis.
Article in Nature chemistry, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed.
- Excitonic energy transfer in red algal Photosystem I reveals an evolutionary bridge between cyanobacteria and plants.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Theoretical study on the influence of different exciton Hamiltonians on the excitation dynamic process of the PE555 complex.RSC advances · 2026Article
- Vibronically assisted sub-cycle charge transfer at a non-fullerene acceptor heterojunction.Nature communications · 2026Article
- Dissipation Pathways in a Photosynthetic Complex.The journal of physical chemistry letters · 2025Article
- Consistent and Generalizable Effective Model Hamiltonian Framework for Studying Nonadiabatic Dynamics in the Condensed Phase.Journal of chemical theory and computation · 2025Review
- Femtosecond spectroscopy with paired single photons: Emulating a double-slit experiment in the time-frequency domain.Science advances · 2025Article
- Full microscopic simulations uncover persistent quantum effects in primary photosynthesis.Science advances · 2025Article
- Nonadiabatic Field: A Conceptually Novel Approach for Nonadiabatic Quantum Molecular Dynamics.Journal of chemical theory and computation · 2025Review
- Intramolecular charge transfer and the function of vibronic excitons in photosynthetic light harvesting.Photosynthesis research · 2024Review
- Nonadiabatic Field with Triangle Window Functions on Quantum Phase Space.The journal of physical chemistry letters · 2024Article
- Near-atomic-resolution structure of J-aggregated helical light-harvesting nanotubes.Nature chemistry · 2024Article
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- Quantum phase synchronization via exciton-vibrational energy dissipation sustains long-lived coherence in photosynthetic antennas.Nature communications · 2024Article
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- Multistate Reaction Coordinate Model for Charge and Energy Transfer Dynamics in the Condensed Phase.Journal of chemical theory and computation · 2023Article
- Living on the edge: light-harvesting efficiency and photoprotection in the core of green sulfur bacteria.Physical chemistry chemical physics : PCCP · 2023Article
- Quantum Entanglement and State-Transference in Fenna-Matthews-Olson Complexes: A Post-Experimental Simulation Analysis in the Computational Biology Domain.International journal of molecular sciences · 2023Article
- Recent progress in atomistic modeling of light-harvesting complexes: a mini review.Photosynthesis research · 2023Review
- Simultaneous capturing phonon and electron dynamics in MXenes.Nature communications · 2022Article
- Population and coherence dynamics in large conjugated porphyrin nanorings.Chemical science · 2022Article
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5 authors.
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Abstract
Femtosecond pulsed excitation of light-harvesting complexes creates oscillatory features in their response. This phenomenon has inspired a large body of work aimed at uncovering the origin of the coherent beatings and possible implications for function. Here we exploit site-directed mutagenesis to change the excitonic level structure in Fenna-Matthews-Olson (FMO) complexes and compare the coherences using broadband pump-probe spectroscopy. Our experiments detect two oscillation frequencies with dephasing on a picosecond timescale-both at 77 K and at room temperature. By studying these coherences with selective excitation pump-probe experiments, where pump excitation is in resonance only with the lowest excitonic state, we show that the key contributions to these oscillations stem from ground-state vibrational wavepackets. These experiments explicitly show that the coherences-although in the ground electronic state-can be probed at the absorption resonances of other bacteriochlorophyll molecules because of delocalization of the electronic excitation over several chromophores.
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