TY - JOUR
T1 - Quantum biology revisited
AU - Cao, Jianshu
AU - Cogdell, Richard J.
AU - Coker, David F.
AU - Duan, Hong-Guang
AU - Hauer, Jurgen
AU - Kleinekathoefer, Ulrich
AU - Jansen, Thomas L. C.
AU - Mancal, Tomas
AU - Miller, R. J. Dwayne
AU - Ogilvie, Jennifer P.
AU - Prokhorenko, Valentyn
AU - Renger, Thomas
AU - Tan, Howe-Siang
AU - Tempelaar, Roel
AU - Thorwart, Michael
AU - Thyrhaug, Erling
AU - Westenhoff, Sebastian
AU - Zigmantas, Donatas
N1 - Funding Information:
D.F.C. acknowledges the support of U.S. National Science Foundation (NSF) grant CHE-1665367. D.Z. acknowledges support from the Swedish Research Council. H.-G.D. acknowledges financial support by the Joachim-Herz-Stiftung Hamburg within a PIER fellowship. The work of H.-G.D. and R.J.D.M. was supported by the Max Planck Society. Moreover, H.-G.D., M.T., and R.J.D.M. were supported by the Cluster of Excellence ?CUI: Advanced Imaging of Matter? of the Deutsche Forschungsgemeinschaft (DFG) - EXC 2056 - project ID 390715994. H.-S.T. acknowledges support from the Singapore Ministry of Education Academic Research Fund (Tier 2 MOE2015-T2-1-039). U.K. is grateful for a Tan Chin Tuan Exchange Fellowship for a research stay at Nanyang Technological University, Singapore. J.C. acknowledges funding through NSF CHE 1836913 and NSF CHE 1800301. J.H. acknowledges funding by the DFG (German Research Foundation) under Germany?s Excellence Strategy EXC 2089/1390776260. J.P.O. acknowledges support from the Office of Basic Energy Sciences, the U.S. Department of Energy under grant number DE-SC0016384, and the NSF under grant number PHY-1607570. R.J.C. gratefully acknowledges support from the Photosynthetic Antenna Research Center, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under award number DE-SC 0001035. S.W. and D.Z. acknowledge support from the Knut and Alice Wallenberg Foundation. T.M. is supported by the Czech Science Foundation (GACR) grant 17-22160S.
Publisher Copyright:
Copyright © 2020 The Authors.
PY - 2020/4/1
Y1 - 2020/4/1
N2 - 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.
AB - 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.
KW - EXCITATION-ENERGY TRANSFER
KW - 2-DIMENSIONAL ELECTRONIC SPECTROSCOPY
KW - REDUCED DENSITY-MATRICES
KW - MATTHEWS-OLSON COMPLEX
KW - FMO ANTENNA PROTEIN
KW - TIME EVOLUTION
KW - PROSTHECOCHLORIS-AESTUARII
KW - SEMICLASSICAL DESCRIPTION
KW - EXCITON DELOCALIZATION
KW - CHLOROBACULUM-TEPIDUM
U2 - 10.1126/sciadv.aaz4888
DO - 10.1126/sciadv.aaz4888
M3 - Review article
SN - 2375-2548
VL - 6
JO - Science Advances
JF - Science Advances
IS - 14
M1 - eaaz4888
ER -