ArticleJournal of biological physics2017
Quantum transport in the FMO photosynthetic light-harvesting complex.
Article in Journal of biological physics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The constrained disorder principle accounts for quantum effects in biological systems.Journal of medicine and life · 2026Review
- Quantum algorithm for protein-ligand docking sites identification in the interaction space.Journal of computer-aided molecular design · 2025Article
- Predicting the future of excitation energy transfer in light-harvesting complex with artificial intelligence-based quantum dynamics.Nature communications · 2022Article
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Abstract
The very high light-harvesting efficiency of natural photosynthetic systems in conjunction with recent experiments, which showed quantum-coherent energy transfer in photosynthetic complexes, raised questions regarding the presence of non-trivial quantum effects in photosynthesis. Grover quantum search, quantum walks, and entanglement have been investigated as possible effects that lead to this efficiency. Here we explain the near-unit photosynthetic efficiency without invoking non-trivial quantum effects. Instead, we use non-equilibrium Green's functions, a mesoscopic method used to study transport in nano-conductors to compute the transmission function of the Fenna-Matthews-Olson (FMO) complex using an experimentally derived exciton Hamiltonian. The chlorosome antenna and the reaction center play the role of input and output contacts, connected to the FMO complex. We show that there are two channels for which the transmission is almost unity. Our analysis also revealed a dephasing-driven regulation mechanism that maintains the efficiency in the presence of varying dephasing potentials.
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