Role of energy-level mismatches in a multi-pathway complex of photosynthesis
Open accessAbstract
Considering a multi-pathway structure in a light-harvesting complex of photosynthesis, we investigated the role of energy-level mismatches between antenna molecules in transferring the absorbed energy to a reaction center (RC). We found a condition in which the antenna molecules faithfully play their roles: when their effective absorption ratios are larger than those of the receiver molecule directly coupled to the RC. In the absence of energy-level mismatches and dephasing noise, there arises quantum destructive interference between multiple paths that restricts the energy transfer. On the other hand, the destructive interference diminishes as asymmetrically biasing the energy-level mismatches and/or introducing quantum noise of dephasing for the antenna molecules, so that the transfer efficiency is greatly enhanced to nearly unity. Remarkably, the near-unity efficiency can be achieved at a wide range of asymmetric energy-level mismatches. Temporal characteristics are also optimized at the energy-level mismatches where the transfer efficiency is nearly unity. We discuss these effects, in particular, for the Fenna–Matthews–Olson complex.
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Inelastic electron tunneling is a well-established physical method for determining the vibrational spectrum of molecules.
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Vibrations, quanta and biology
Huelga, S. F., & Plenio, M. B. (2013) · Contemporary Physics · doi:10.1080/00405000.2013.829687 · Cited by 568 · see citing works
- Authors
- Lim, J., Ryu, J., Lee, C., Yoo, S., Jeong, H., & Lee, J.
- Affiliations
- Seoul National University (KR)
- Korea Institute for Advanced Study (KR)
- ORCID
- Jeong, Hyunseok
- Venue
- New Journal of Physics
- Publisher
- IOP Publishing
- Published
- 2011-10-03
- Volume
- 13
- Issue
- 10
- Pages
- 103002
- ISSN
- 1367-2630 (ISSN-L)
- OpenAlex
- W1991861612
- Cited by
- 4
- References
- 20
- Citations by year
- 2021: 1 · 2014: 1 · 2013: 1 · 2012: 1
- FWCI
- 0.52
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- New Journal of Physics (publishedVersion, cc-by)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Research Foundation
- National Research Foundation of Korea
- Ministry of Education, Science and Technology
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
- Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
- Keywords
- energy level mismatch, light-harvesting complexes, photosynthesis, Fenna-Matthews-Olson complex, reaction center, dephasing noise, absorption ratio, energy transfer efficiency
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