Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145410
Title: Quantum biology revisited
Authors: Cao, Jianshu
Cogdell, Richard J.
Coker, David F.
Duan, Hong-Guang
Hauer, Jürgen
Kleinekathöfer, Ulrich
Jansen, Thomas L. C.
Mančal, Tomáš
Miller, R. J. Dwayne
Ogilvie, Jennifer P.
Prokhorenko, Valentyn I.
Renger, Thomas
Tan, Howe-Siang
Tempelaar, Roel
Thorwart, Michael
Thyrhaug, Erling
Westenhoff, Sebastian
Zigmantas, Donatas
Keywords: Science::Biological sciences
Issue Date: 2020
Source: Cao, J., Cogdell, R. J., Coker, D. F., Duan, H.-G., Hauer, J., Kleinekathöfer, U., . . . Zigmantas, D. (2020). Quantum biology revisited. Science Advances, 6(14), eaaz4888-. doi:10.1126/sciadv.aaz4888
Project: MOE2015-T2-1-039
Journal: Science Advances
Abstract: Photosynthesis is a highly optimized process from which valuable lessons can be learned about the operating principles in nature. Its primary steps involve energy transport operating near theoretical quantum limits in efficiency. Recently, extensive research was motivated by the hypothesis that nature used quantum coherences to direct energy transfer. This body of work, a cornerstone for the field of quantum biology, rests on the interpretation of small-amplitude oscillations in two-dimensional electronic spectra of photosynthetic complexes. This Review discusses recent work reexamining these claims and demonstrates that interexciton coherences are too short lived to have any functional significance in photosynthetic energy transfer. Instead, the observed long-lived coherences originate from impulsively excited vibrations, generally observed in femtosecond spectroscopy. These efforts, collectively, lead to a more detailed understanding of the quantum aspects of dissipation. Nature, rather than trying to avoid dissipation, exploits it via engineering of exciton-bath interaction to create efficient energy flow.
URI: https://hdl.handle.net/10356/145410
ISSN: 2375-2548
DOI: 10.1126/sciadv.aaz4888
Rights: © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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